diff --git a/Python/ceval.c b/Python/ceval.c
index 57dc3e1..ea1a785 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1036,7 +1036,7 @@
 			err = 0;
 		}
 
-#ifndef CHECKEXC
+#ifdef CHECKEXC
 		/* Double-check exception status */
 		
 		if (why == WHY_EXCEPTION || why == WHY_RERAISE) {