diff --git a/effects/CMakeLists.txt b/effects/CMakeLists.txt
index 5734b289fa..a9eea1d85a 100644
--- a/effects/CMakeLists.txt
+++ b/effects/CMakeLists.txt
@@ -47,6 +47,11 @@ macro( KWIN4_ADD_EFFECT_CONFIG name )
 
     kde4_add_ui_files( kwin4_effect_src ${kwin4_effect_ui} )
     kde4_add_plugin( kcm_kwin4_effect_${name} ${kwin4_effect_src} )
+    if(OPENGLES_FOUND)
+        set_target_properties(kcm_kwin4_effect_${name} PROPERTIES COMPILE_FLAGS "-DKWIN_HAVE_OPENGL -DKWIN_HAVE_OPENGLES")
+    elseif(OPENGL_FOUND)
+        set_target_properties(kcm_kwin4_effect_${name} PROPERTIES COMPILE_FLAGS -DKWIN_HAVE_OPENGL)
+    endif(OPENGLES_FOUND)
     target_link_libraries( kcm_kwin4_effect_${name} kwineffects ${KDE4_KIO_LIBS} ${KDE4_KDEUI_LIBS} )
     install( TARGETS kcm_kwin4_effect_${name} DESTINATION ${PLUGIN_INSTALL_DIR} )
 endmacro( KWIN4_ADD_EFFECT_CONFIG )