diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 8c0a4a292f..75134d258e 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,5 +1,6 @@
 2011-02-01	Ralf Corsepius <ralf.corsepius@rtems.org>
 
+	* libmisc/stringto/stringtounsignedlong.c: Reformat range check.
 	* libmisc/stringto/stringtolong.c:  Reformat range check.
 	Add check for result==0.
 
diff --git a/cpukit/libmisc/stringto/stringtounsignedlong.c b/cpukit/libmisc/stringto/stringtounsignedlong.c
index e26e85f0dc..11c374c486 100644
--- a/cpukit/libmisc/stringto/stringtounsignedlong.c
+++ b/cpukit/libmisc/stringto/stringtounsignedlong.c
@@ -49,11 +49,9 @@ rtems_status_code rtems_string_to_unsigned_long (
   if ( end == s )
     return RTEMS_NOT_DEFINED;
 
-  if ( (result == ULONG_MAX) && (errno == ERANGE) )
-    return RTEMS_INVALID_NUMBER;
-
-  if ( (result == 0) && (errno == ERANGE) )
-    return RTEMS_INVALID_NUMBER;
+  if ( ( errno == ERANGE ) && 
+    (( result == 0 ) || ( result == ULONG_MAX )))
+      return RTEMS_INVALID_NUMBER;
 
   *n = result;