diff --git a/share/qtcreator/debugger/gdbbridge.py b/share/qtcreator/debugger/gdbbridge.py
index 666f6e3a135..c14f0f753ce 100644
--- a/share/qtcreator/debugger/gdbbridge.py
+++ b/share/qtcreator/debugger/gdbbridge.py
@@ -2043,7 +2043,12 @@ registerCommand("threadnames", threadnames)
 
 def reloadDumper(arg):
     for mod in dumpermodules:
-        importlib.reload(sys.modules[mod])
+        m = sys.modules[mod]
+        if sys.version_info[0] >= 3:
+            importlib.reload(m)
+        else:
+            reload(m)
+
     bbsetup()
 
 registerCommand("reload", reloadDumper)