diff --git a/structurizr-onpremises/src/main/java/com/structurizr/onpremises/util/ConfigLookup.java b/structurizr-onpremises/src/main/java/com/structurizr/onpremises/util/ConfigLookup.java
index 6d61b87..a0db5a0 100644
--- a/structurizr-onpremises/src/main/java/com/structurizr/onpremises/util/ConfigLookup.java
+++ b/structurizr-onpremises/src/main/java/com/structurizr/onpremises/util/ConfigLookup.java
@@ -83,6 +83,10 @@ public static String getConfigurationParameterFromStructurizrPropertiesFile(Stri
             value = defaultValue;
         }
 
+        if (value != null) {
+            value = value.trim();
+        }
+
         return value;
     }