diff --git a/src/icons/CMakeLists.txt b/src/icons/CMakeLists.txt
index 66addfe..b16ee9a 100644
--- a/src/icons/CMakeLists.txt
+++ b/src/icons/CMakeLists.txt
@@ -1,13 +1,20 @@
+set(KDIFF3_ICONS
+     16-apps-kdiff3.png
+     22-apps-kdiff3.png
+     32-apps-kdiff3.png
+     48-apps-kdiff3.png
+     64-apps-kdiff3.png
+     128-apps-kdiff3.png
+     256-apps-kdiff3.png
+     sc-apps-kdiff3.svgz
+)
+
+# add icons to application sources, to have them bundled
+ecm_add_app_icon(kdiff3_SRCS ICONS ${KDIFF3_ICONS})
+
 ecm_install_icons(
   ICONS
-    16-apps-kdiff3.png
-    22-apps-kdiff3.png
-    32-apps-kdiff3.png
-    48-apps-kdiff3.png
-    64-apps-kdiff3.png
-    128-apps-kdiff3.png
-    256-apps-kdiff3.png
-    sc-apps-kdiff3.svgz
+   ${KDIFF3_ICONS}
   DESTINATION ${KDE_INSTALL_ICONDIR}
   THEME hicolor
 )