diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e48854aee..0b60503c10 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ All notable changes to this project will be documented in this file.
 - [Core] Add missing resource string for upgrading (#3873 by: HebaruSan; reviewed: techman83)
 - [Multiple] Repository management fixes (#3876 by: HebaruSan; reviewed: techman83)
 - [GUI] Restore window position without default instance (#3878 by: HebaruSan; reviewed: techman83)
+- [CLI] Correctly print cmdline errors with braces (#3880 by: HebaruSan; reviewed: techman83)
 
 ### Internal
 
diff --git a/Cmdline/Action/AuthToken.cs b/Cmdline/Action/AuthToken.cs
index 71222c5497..a8852f7401 100644
--- a/Cmdline/Action/AuthToken.cs
+++ b/Cmdline/Action/AuthToken.cs
@@ -110,7 +110,7 @@ private int addAuthToken(AddAuthTokenOptions opts)
             }
             else
             {
-                user.RaiseError("Invalid host name: {0}", opts.host);
+                user.RaiseError(Properties.Resources.AuthTokenInvalidHostName, opts.host);
             }
             return Exit.OK;
         }
diff --git a/Cmdline/Action/GameInstance.cs b/Cmdline/Action/GameInstance.cs
index a61f5baaf7..e953831cd4 100644
--- a/Cmdline/Action/GameInstance.cs
+++ b/Cmdline/Action/GameInstance.cs
@@ -637,13 +637,13 @@ int badArgument()
             catch (BadInstallLocationKraken kraken)
             {
                 // The folder exists and is not empty.
-                User.RaiseError(kraken.Message);
+                User.RaiseError("{0}", kraken.Message);
                 return badArgument();
             }
             catch (WrongGameVersionKraken kraken)
             {
                 // Thrown because the specified game instance is too old for one of the selected DLCs.
-                User.RaiseError(kraken.Message);
+                User.RaiseError("{0}", kraken.Message);
                 return badArgument();
             }
             catch (NotKSPDirKraken kraken)
@@ -651,7 +651,7 @@ int badArgument()
                 // Something went wrong adding the new instance to the registry,
                 // most likely because the newly created directory is somehow not valid.
                 log.Error(kraken);
-                User.RaiseError(kraken.Message);
+                User.RaiseError("{0}", kraken.Message);
                 return error();
             }
             catch (InvalidKSPInstanceKraken)
diff --git a/Cmdline/Action/Install.cs b/Cmdline/Action/Install.cs
index 8f662580da..f30b825ec3 100644
--- a/Cmdline/Action/Install.cs
+++ b/Cmdline/Action/Install.cs
@@ -88,9 +88,10 @@ public int RunCommand(CKAN.GameInstance instance, object raw_options)
                     }
                     catch (Kraken kraken)
                     {
-                        user.RaiseError(kraken.InnerException == null
-                            ? kraken.Message
-                            : $"{kraken.Message}: {kraken.InnerException.Message}");
+                        user.RaiseError("{0}",
+                            kraken.InnerException == null
+                                ? kraken.Message
+                                : $"{kraken.Message}: {kraken.InnerException.Message}");
                     }
                 }
 
@@ -142,7 +143,7 @@ public int RunCommand(CKAN.GameInstance instance, object raw_options)
                 }
                 catch (DependencyNotSatisfiedKraken ex)
                 {
-                    user.RaiseError(ex.Message);
+                    user.RaiseError("{0}", ex.Message);
                     user.RaiseMessage(Properties.Resources.InstallTryAgain);
                     return Exit.ERROR;
                 }
@@ -214,7 +215,7 @@ public int RunCommand(CKAN.GameInstance instance, object raw_options)
                 catch (InconsistentKraken ex)
                 {
                     // The prettiest Kraken formats itself for us.
-                    user.RaiseError(ex.InconsistenciesPretty);
+                    user.RaiseError("{0}", ex.InconsistenciesPretty);
                     user.RaiseMessage(Properties.Resources.InstallCancelled);
                     return Exit.ERROR;
                 }
@@ -226,12 +227,12 @@ public int RunCommand(CKAN.GameInstance instance, object raw_options)
                 catch (MissingCertificateKraken kraken)
                 {
                     // Another very pretty kraken.
-                    user.RaiseError(kraken.ToString());
+                    user.RaiseError("{0}", kraken.ToString());
                     return Exit.ERROR;
                 }
                 catch (DownloadThrottledKraken kraken)
                 {
-                    user.RaiseError(kraken.ToString());
+                    user.RaiseError("{0}", kraken.ToString());
                     user.RaiseMessage(Properties.Resources.InstallTryAuthToken, kraken.infoUrl);
                     return Exit.ERROR;
                 }
@@ -242,12 +243,12 @@ public int RunCommand(CKAN.GameInstance instance, object raw_options)
                 }
                 catch (ModuleDownloadErrorsKraken kraken)
                 {
-                    user.RaiseError(kraken.ToString());
+                    user.RaiseError("{0}", kraken.ToString());
                     return Exit.ERROR;
                 }
                 catch (DirectoryNotFoundKraken kraken)
                 {
-                    user.RaiseError(kraken.Message);
+                    user.RaiseError("{0}", kraken.Message);
                     return Exit.ERROR;
                 }
                 catch (ModuleIsDLCKraken kraken)
diff --git a/Cmdline/Main.cs b/Cmdline/Main.cs
index c9b4face73..25237e381a 100644
--- a/Cmdline/Main.cs
+++ b/Cmdline/Main.cs
@@ -331,7 +331,7 @@ private static int Scan(CKAN.GameInstance inst, IUser user, string next_command
 
                 if (next_command == null)
                 {
-                    user.RaiseError(kraken.InconsistenciesPretty);
+                    user.RaiseError("{0}", kraken.InconsistenciesPretty);
                     user.RaiseError(Properties.Resources.ScanNotSaved);
                 }
                 else
diff --git a/Cmdline/Properties/Resources.Designer.cs b/Cmdline/Properties/Resources.Designer.cs
index 5838864125..cc3d941351 100644
--- a/Cmdline/Properties/Resources.Designer.cs
+++ b/Cmdline/Properties/Resources.Designer.cs
@@ -164,6 +164,9 @@ internal static string AuthTokenTokenHeader {
         internal static string AuthTokenHelpSummary {
             get { return (string)(ResourceManager.GetObject("AuthTokenHelpSummary", resourceCulture)); }
         }
+        internal static string AuthTokenInvalidHostName {
+            get { return (string)(ResourceManager.GetObject("AuthTokenHelpSummary", resourceCulture)); }
+        }
 
         internal static string AvailableHeader {
             get { return (string)(ResourceManager.GetObject("AvailableHeader", resourceCulture)); }
diff --git a/Cmdline/Properties/Resources.resx b/Cmdline/Properties/Resources.resx
index e9c7101153..1bcf812c03 100644
--- a/Cmdline/Properties/Resources.resx
+++ b/Cmdline/Properties/Resources.resx
@@ -154,6 +154,7 @@ Update recommended!</value></data>
   <data name="AuthTokenHostHeader" xml:space="preserve"><value>Host</value></data>
   <data name="AuthTokenTokenHeader" xml:space="preserve"><value>Token</value></data>
   <data name="AuthTokenHelpSummary" xml:space="preserve"><value>Manage authentication tokens</value></data>
+  <data name="AuthTokenInvalidHostName" xml:space="preserve"><value>Invalid host name: {0}</value></data>
   <data name="AvailableHeader" xml:space="preserve"><value>Modules compatible with {0} {1}</value></data>
   <data name="CacheHelpSummary" xml:space="preserve"><value>Manage the download cache path of CKAN</value></data>
   <data name="CacheSet" xml:space="preserve"><value>Download cache set to {0}</value></data>