diff --git a/pkgs/by-name/ia/iamb/package.nix b/pkgs/by-name/ia/iamb/package.nix
index 0d4d13a18788..9357ce57fa4b 100644
--- a/pkgs/by-name/ia/iamb/package.nix
+++ b/pkgs/by-name/ia/iamb/package.nix
@@ -41,8 +41,10 @@ rustPlatform.buildRustPackage rec {
   ];
 
   postInstall = ''
-    OUT_DIR=$releaseDir/build/iamb-*/out
-    installManPage $OUT_DIR/iamb.{1,5}
+    installManPage $src/docs/iamb.{1,5}
+    install -D $src/docs/iamb.svg -t $out/share/icons/hicolor/scalable/apps
+    install -D $src/docs/iamb.metainfo.xml $out/share/appdata/chat.iamb.iamb.appdata.xml
+    install -D $src/iamb.desktop -t $out/share/applications
   '';
 
   nativeInstallCheckInputs = [