diff --git a/pkgs/applications/misc/diffpdf/default.nix b/pkgs/applications/misc/diffpdf/default.nix
index e0e821192694..7700edcb4f93 100644
--- a/pkgs/applications/misc/diffpdf/default.nix
+++ b/pkgs/applications/misc/diffpdf/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
   mkDerivation,
   fetchurl,
   fetchpatch,
@@ -40,28 +41,35 @@ mkDerivation rec {
     lrelease diffpdf.pro
   '';
 
-  installPhase = ''
-    mkdir -p $out/bin $out/share/man/man1
+  installPhase =
+    if stdenv.isDarwin then
+      ''
+        mkdir -p "$out"
+        mv diffpdf.app "$out"/
+      ''
+    else
+      ''
+        mkdir -p $out/bin $out/share/man/man1
 
-    install -Dpm755 -D diffpdf $out/bin/diffpdf
-    install -Dpm644 -D diffpdf.1 $out/share/man/man1/diffpdf.1
+        install -Dpm755 -D diffpdf $out/bin/diffpdf
+        install -Dpm644 -D diffpdf.1 $out/share/man/man1/diffpdf.1
 
-    install -dpm755 $out/share/doc/${pname}-${version} $out/share/licenses/${pname}-${version} $out/share/icons $out/share/pixmaps $out/share/applications
-    install -Dpm644 CHANGES README help.html $out/share/doc/${pname}-${version}/
-    install -Dpm644 gpl-2.0.txt $out/share/licenses/${pname}-${version}/
-    install -Dpm644 images/icon.png $out/share/pixmaps/diffpdf.png
+        install -dpm755 $out/share/doc/${pname}-${version} $out/share/licenses/${pname}-${version} $out/share/icons $out/share/pixmaps $out/share/applications
+        install -Dpm644 CHANGES README help.html $out/share/doc/${pname}-${version}/
+        install -Dpm644 gpl-2.0.txt $out/share/licenses/${pname}-${version}/
+        install -Dpm644 images/icon.png $out/share/pixmaps/diffpdf.png
 
-    cat > $out/share/applications/diffpdf.desktop <<EOF
-    [Desktop Entry]
-    Type=Application
-    Version=1.0
-    Name=diffpdf
-    Icon=diffpdf
-    Comment=PDF diffing tool
-    Exec=$out/bin/diffpdf
-    Terminal=false
-    EOF
-  '';
+        cat > $out/share/applications/diffpdf.desktop <<EOF
+        [Desktop Entry]
+        Type=Application
+        Version=1.0
+        Name=diffpdf
+        Icon=diffpdf
+        Comment=PDF diffing tool
+        Exec=$out/bin/diffpdf
+        Terminal=false
+        EOF
+      '';
 
   meta = {
     homepage = "http://www.qtrac.eu/diffpdf.html";
@@ -69,6 +77,6 @@ mkDerivation rec {
     mainProgram = "diffpdf";
     license = lib.licenses.gpl2Plus;
     maintainers = [ ];
-    platforms = with lib.platforms; linux;
+    platforms = with lib.platforms; unix;
   };
 }