diff --git a/pkgs/tools/X11/xmousepasteblock/default.nix b/pkgs/tools/X11/xmousepasteblock/default.nix
index 984f6ac70a6b..ec6a5b0b8e11 100644
--- a/pkgs/tools/X11/xmousepasteblock/default.nix
+++ b/pkgs/tools/X11/xmousepasteblock/default.nix
@@ -2,14 +2,14 @@
 
 stdenv.mkDerivation rec {
   pname = "xmousepasteblock";
-  version = "1.0";
+  version = "1.3";
   src = fetchFromGitHub {
     owner = "milaq";
     repo = "XMousePasteBlock";
-    sha256 = "0vidckfp277cg2gsww8a8q5b18m10iy4ppyp2qipr89771nrcmns";
+    hash = "sha256-0rpAbYUU0SoeQaVNStmIEuYyiWbRAdTN7Mvm0ySDnhU=";
     rev = version;
   };
-  makeFlags = [ "PREFIX=$(out)" ];
+  makeFlags = [ "PREFIX=$(out)" "CC=${stdenv.cc.targetPrefix}cc" ];
   buildInputs = with xorg; [ libX11 libXext libXi libev ];
   nativeBuildInputs = [ pkg-config ];
   meta = with lib; {