--- a/eric7/Project/Project.py	Thu Jun 09 16:13:18 2022 +0200
+++ b/eric7/Project/Project.py	Fri Jun 10 10:41:38 2022 +0200
@@ -1191,7 +1191,9 @@
                           '{0}.edj'.format(fn1))
         if os.path.exists(fn):
             # try the new JSON based format first
-            self.__debuggerPropertiesFile.readFile(fn)
+            if self.__debuggerPropertiesFile.readFile(fn):
+                self.debugPropertiesLoaded = True
+                self.debugPropertiesChanged = False
         else:
             # try the old XML based format second
             fn = os.path.join(self.getProjectManagementDir(),