diff --git a/pkgs/applications/graphics/megapixels/default.nix b/pkgs/applications/graphics/megapixels/default.nix
index 9b1377e520c2..c866f2a1da53 100644
--- a/pkgs/applications/graphics/megapixels/default.nix
+++ b/pkgs/applications/graphics/megapixels/default.nix
@@ -4,6 +4,7 @@
 , meson
 , ninja
 , pkg-config
+, glib
 , wrapGAppsHook
 , epoxy
 , gtk4
@@ -35,7 +36,13 @@ stdenv.mkDerivation rec {
     sha256 = "0jnfzwvq58p4ksyifma10i158r2fb7fv72ymibgcxbnx596xpjb2";
   };
 
-  nativeBuildInputs = [ meson ninja pkg-config wrapGAppsHook ];
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    glib
+    wrapGAppsHook
+  ];
 
   buildInputs = [
     epoxy
@@ -43,6 +50,10 @@ stdenv.mkDerivation rec {
     zbar
   ];
 
+  postInstall = ''
+    glib-compile-schemas $out/share/glib-2.0/schemas
+  '';
+
   preFixup = optionalString (tiffSupport || jpgSupport) ''
     gappsWrapperArgs+=(
       --prefix PATH : ${runtimePath}