diff --git a/effects/slidingpopups/slidingpopups.h b/effects/slidingpopups/slidingpopups.h
index 7829b901fb..f29698915c 100644
--- a/effects/slidingpopups/slidingpopups.h
+++ b/effects/slidingpopups/slidingpopups.h
@@ -18,8 +18,8 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *********************************************************************/
 
-#ifndef KWIN_SLIDEBACK_H
-#define KWIN_SLIDEBACK_H
+#ifndef KWIN_SLIDINGPOPUPS_H
+#define KWIN_SLIDINGPOPUPS_H
 
 // Include with base class for effects.
 #include <kwineffects.h>
diff --git a/effects/wobblywindows/wobblywindows.h b/effects/wobblywindows/wobblywindows.h
index 12118d0339..64c18580f7 100644
--- a/effects/wobblywindows/wobblywindows.h
+++ b/effects/wobblywindows/wobblywindows.h
@@ -8,8 +8,8 @@ You can Freely distribute this program under the GNU General Public
 License. See the file "COPYING" for the exact licensing terms.
 ******************************************************************/
 
-#ifndef WOBBLYWINDOWS_H
-#define WOBBLYWINDOWS_H
+#ifndef KWIN_WOBBLYWINDOWS_H
+#define KWIN_WOBBLYWINDOWS_H
 
 // Include with base class for effects.
 #include <kwineffects.h>
diff --git a/effects/wobblywindows/wobblywindows_config.h b/effects/wobblywindows/wobblywindows_config.h
index 8324703db5..c918cff750 100644
--- a/effects/wobblywindows/wobblywindows_config.h
+++ b/effects/wobblywindows/wobblywindows_config.h
@@ -19,8 +19,8 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *********************************************************************/
 
-#ifndef KWIN_WOBBLY_CONFIG_H
-#define KWIN_WOBBLY_CONFIG_H
+#ifndef KWIN_WOBBLYWINDOWS_CONFIG_H
+#define KWIN_WOBBLYWINDOWS_CONFIG_H
 
 #include <kcmodule.h>