diff --git a/pkgs/data/icons/luna-icons/default.nix b/pkgs/data/icons/luna-icons/default.nix
index 2cbf1c50632..2a75c6c2030 100644
--- a/pkgs/data/icons/luna-icons/default.nix
+++ b/pkgs/data/icons/luna-icons/default.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation rec {
   pname = "luna-icons";
-  version = "0.6";
+  version = "0.9";
 
   src = fetchFromGitHub {
     owner = "darkomarko42";
     repo = pname;
     rev = version;
-    sha256 = "1lm7ws7in8cjjl38c7xw67jr42d717kk5kkfac7rprk0z7pb104l";
+    sha256 = "1pwbmw20kzlxnwln92nxq7f5s1xwbpv6j7il7jxymlw0y31rl281";
   };
 
   nativeBuildInputs = [
@@ -35,6 +35,12 @@ stdenv.mkDerivation rec {
     mkdir -p $out/share/icons
     cp -a Luna* $out/share/icons
 
+    # remove files with spaces in the name, otherwise
+    # gtk-update-icon-cache fails with the message "The generated cache
+    # was invalid"
+    # https://github.com/darkomarko42/Luna-Icons/issues/2
+    rm "$out/share/icons/Luna/scalable/apps/yast-checkmedia (copia).svg"
+
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache "$theme"
     done