diff --git a/pkgs/applications/misc/masterpdfeditor4/default.nix b/pkgs/applications/misc/masterpdfeditor4/default.nix
index 8dffa5b9a8ee..ea54e30ebecd 100644
--- a/pkgs/applications/misc/masterpdfeditor4/default.nix
+++ b/pkgs/applications/misc/masterpdfeditor4/default.nix
@@ -39,9 +39,9 @@ stdenv.mkDerivation rec {
     substituteInPlace masterpdfeditor4.desktop \
       --replace 'Exec=/opt/master-pdf-editor-4' "Exec=$out/bin" \
       --replace 'Path=/opt/master-pdf-editor-4' "Path=$out/bin" \
-      --replace 'Icon=/opt/master-pdf-editor-4' "Icon=$out/share/pixmaps"
+      --replace 'Icon=/opt/master-pdf-editor-4' "Icon=masterpdfeditor4"
 
-    install -Dm644 -t $out/share/pixmaps      masterpdfeditor4.png
+    install -Dm644 -t $out/share/icons/hicolor/128x128/apps masterpdfeditor4.png
     install -Dm644 -t $out/share/applications masterpdfeditor4.desktop
     install -Dm755 -t $app_dir                masterpdfeditor4
     install -Dm644 license.txt $out/share/$name/LICENSE