diff --git a/pkgs/applications/misc/rxvt-unicode-plugins/urxvt-vtwheel/default.nix b/pkgs/applications/misc/rxvt-unicode-plugins/urxvt-vtwheel/default.nix
index 2f2c2055803..3d0dec20c9a 100644
--- a/pkgs/applications/misc/rxvt-unicode-plugins/urxvt-vtwheel/default.nix
+++ b/pkgs/applications/misc/rxvt-unicode-plugins/urxvt-vtwheel/default.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation {
 
-  name = "rxvt_unicode-vtwheel-0.3.2";
+  name = "rxvt-unicode-vtwheel-0.3.2";
 
   src = fetchgit {
    url = "https://aur.archlinux.org/urxvt-vtwheel.git";
@@ -24,4 +24,4 @@ stdenv.mkDerivation {
     platforms = with platforms; unix;
   };
   
-}
\ No newline at end of file
+}