diff --git a/checker/checkerNN.py b/checker/checkerNN.py
index 27c4f286019f747203f1a4ad77a2ec9b92697823..27e271b5b9ba34be2a63f9566978ce15e25784c3 100755
--- a/checker/checkerNN.py
+++ b/checker/checkerNN.py
@@ -223,7 +223,7 @@ def _init_GUI() -> bool:
         GUIROOT = Tk()
         GUIMODULE.askstring = partial(askstring, GUIROOT)
         GUIROOT.withdraw()
-    except Excepstion as E:
+    except Exception as E:
         return False
     return True