--- a/src/eric7/Project/DebuggerPropertiesFile.py Tue Nov 14 16:10:46 2023 +0100 +++ b/src/eric7/Project/DebuggerPropertiesFile.py Tue Nov 14 17:25:35 2023 +0100 @@ -108,6 +108,8 @@ ) return False - self.__project.debugProperties = debuggerPropertiesDict["debug_properties"] + self.__project.debugProperties.update( + debuggerPropertiesDict["debug_properties"] + ) return True