diff --git a/SoObjects/SOGo/LDAPSource.m b/SoObjects/SOGo/LDAPSource.m
index 2fa8f3773..0a7b9b8ec 100644
--- a/SoObjects/SOGo/LDAPSource.m
+++ b/SoObjects/SOGo/LDAPSource.m
@@ -1090,7 +1090,7 @@ groupObjectClasses: (NSArray *) newGroupObjectClasses
         // We check if our entry is a group. If so, we set the
         // 'isGroup' custom attribute.
         gclasses = [groupObjectClasses objectEnumerator];
-        while (gclass = [gclasses nextObject])
+        while ((gclass = [gclasses nextObject]))
          if ([classes containsObject: [gclass lowercaseString]])
            {
              [ldifRecord setObject: [NSNumber numberWithInt: 1]
diff --git a/SoObjects/SOGo/SOGoGroup.m b/SoObjects/SOGo/SOGoGroup.m
index 431b39028..e938dc96b 100644
--- a/SoObjects/SOGo/SOGoGroup.m
+++ b/SoObjects/SOGo/SOGoGroup.m
@@ -197,7 +197,7 @@
 	}
 
         gclasses = [[source groupObjectClasses] objectEnumerator];
-        while (gclass = [gclasses nextObject])
+        while ((gclass = [gclasses nextObject]))
           if ([classes containsObject: gclass])
            {
           // Found a group, let's return it.