diff --git a/pkgs/misc/emulators/cdemu/analyzer.nix b/pkgs/misc/emulators/cdemu/analyzer.nix
index 807f9c44204..6126108b642 100644
--- a/pkgs/misc/emulators/cdemu/analyzer.nix
+++ b/pkgs/misc/emulators/cdemu/analyzer.nix
@@ -9,7 +9,7 @@ in callPackage pkg {
   drvParams = {
     postFixup = ''
       wrapProgram $out/bin/image-analyzer \
-        --prefix XDG_DATA_DIRS : "$out/share:$GSETTINGS_SCHEMAS_PATH:$XDG_DATA_DIRS"
+        --prefix XDG_DATA_DIRS : "$out/share:$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH"
     '';
   };
 }
diff --git a/pkgs/misc/emulators/cdemu/gui.nix b/pkgs/misc/emulators/cdemu/gui.nix
index ab54abd6825..b3d7f6d23ec 100644
--- a/pkgs/misc/emulators/cdemu/gui.nix
+++ b/pkgs/misc/emulators/cdemu/gui.nix
@@ -11,7 +11,7 @@ in callPackage pkg {
       wrapProgram $out/bin/gcdemu \
         --set PYTHONPATH "$PYTHONPATH" \
         --set GI_TYPELIB_PATH "$GI_TYPELIB_PATH" \
-        --prefix XDG_DATA_DIRS : "$out/share:$GSETTINGS_SCHEMAS_PATH:$XDG_DATA_DIRS"
+        --prefix XDG_DATA_DIRS : "$out/share:$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH"
     '';
     # TODO AppIndicator
   };