diff --git a/src/pike_macros.h b/src/pike_macros.h
index 67250edcb369189b1d3b74b1d67d0f595fa45a05..19c37df26c65f08055a09a6ff7327d9fab001ab3 100644
--- a/src/pike_macros.h
+++ b/src/pike_macros.h
@@ -5,7 +5,7 @@
 \*/
 
 /*
- * $Id: pike_macros.h,v 1.7 1998/04/08 01:00:58 hubbe Exp $
+ * $Id: pike_macros.h,v 1.8 1998/05/05 22:01:41 grubba Exp $
  */
 #ifndef MACROS_H
 #define MACROS_H
@@ -30,7 +30,7 @@
 
 
 #define is8bitalnum(X)	("0000000000000000" \
-			 "0000000000001000" \
+			 "0000000000000000" \
 			 "0000000000000000" \
 			 "1111111111000000" \
 			 "0111111111111111" \