diff --git a/common/gestfich.cpp b/common/gestfich.cpp
index 7b8ab266c6..c8467ad5f1 100644
--- a/common/gestfich.cpp
+++ b/common/gestfich.cpp
@@ -140,7 +140,14 @@ int ExecuteFile( const wxString& aEditorName, const wxString& aFileName, wxProce
             args[i++] = param.wc_str();
 
         if( !aFileName.IsEmpty() )
-            args[i++] = aFileName.wc_str();
+        {
+            wxString name = aFileName;
+
+            // A quoted filename is incorrectly handled here, perhaps because wxExecute
+            // add quotes. So remove quotes if any (they also are illegal in filenames).
+            name.Replace( "\"", "" );
+            args[i++] = name.wc_str();
+        }
 
         args[i] = nullptr;