diff --git a/pkgs/applications/networking/nextcloud-client/default.nix b/pkgs/applications/networking/nextcloud-client/default.nix
index 652de194a5e7..3cbc03e8d73c 100644
--- a/pkgs/applications/networking/nextcloud-client/default.nix
+++ b/pkgs/applications/networking/nextcloud-client/default.nix
@@ -36,7 +36,10 @@ stdenv.mkDerivation rec {
     "-DINOTIFY_INCLUDE_DIR=${inotify-tools}/include"
   ];
 
-  postInstall = stdenv.lib.optionalString (withGnomeKeyring) ''
+  postInstall = ''
+    sed -i 's/\(Icon.*\)=nextcloud/\1=Nextcloud/g' \
+      $out/share/applications/nextcloud.desktop
+  '' + stdenv.lib.optionalString (withGnomeKeyring) ''
     wrapProgram "$out/bin/nextcloud" \
       --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ libgnome_keyring ]}
   '';