--- src/groupmod.c	2010-01-12 23:36:59.926832965 +0100
+++ src/groupmod.c	2010-01-12 23:37:24.704833018 +0100
@@ -720,7 +720,7 @@
 	{
 		struct passwd *pampw;
 		pampw = getpwuid (getuid ()); /* local, no need for xgetpwuid */
-		if (NULL == pamh) {
+		if (NULL == pampw) {
 			fprintf (stderr,
 			         _("%s: Cannot determine your user name.\n"),
 			         Prog);