diff --git a/src/ios/FileViewerErrors.swift b/src/ios/FileViewerErrors.swift
index fbaa3e9..84d3f07 100644
--- a/src/ios/FileViewerErrors.swift
+++ b/src/ios/FileViewerErrors.swift
@@ -14,6 +14,7 @@ enum FileViewerErrors: String, Error {
     case invalidURL = "The URL you are trying to open is malformed"
     case invalidEmptyURL = "Path of the file to open is either null or empty"
     case downloadFailed = "The download failed"
+    case missingFileExtension = "The file has no extension"
 }
 
 extension FileViewerErrors : LocalizedError {
diff --git a/src/ios/FileViewerPlugin.swift b/src/ios/FileViewerPlugin.swift
index 6899f3f..591301d 100644
--- a/src/ios/FileViewerPlugin.swift
+++ b/src/ios/FileViewerPlugin.swift
@@ -22,6 +22,10 @@ class FileViewerPlugin {
         
         if let url = urlString {
             if let file = URL.init(string: url) {
+
+                let fileName = file.lastPathComponent
+                guard fileName.contains(".") else { throw FileViewerErrors.missingFileExtension }
+                
                 guard FileManager.default.fileExists(atPath: file.path) else { throw FileViewerErrors.fileDoesNotExist }
                 
                 if let viewController = rootViewController {
@@ -40,7 +44,7 @@ class FileViewerPlugin {
             return completion({ throw FileViewerErrors.invalidURL })
         }
         
-        if let fileUrl = URL(string: url), let viewController = rootViewController {
+        if let fileUrl = URL(string: url.replacingOccurrences(of: " ", with: "%20")), let viewController = rootViewController {
             let fileViewerOpenDocument = FileViewerOpenDocument(viewController: viewController)
             fileViewerOpenDocument.openDocumentFromUrl(url:fileUrl, completion: { (inner: ErrorCompletionHandler) -> Void in
                 do {