diff --git a/pkgs/tools/text/colordiff/default.nix b/pkgs/tools/text/colordiff/default.nix
index 07ce3de3d13d..06e15d07ff09 100644
--- a/pkgs/tools/text/colordiff/default.nix
+++ b/pkgs/tools/text/colordiff/default.nix
@@ -9,5 +9,5 @@ stdenv.mkDerivation {
 
   buildInputs = [ perl /* xmlto */ ];
   dontBuild = 1; # do not build doc yet.
-  installPhase = ''make INSTALL_DIR=/bin MAN_DIR=/man DESTDIR="$out" install'';
+  installPhase = ''make INSTALL_DIR=/bin MAN_DIR=/share/man/man1 DESTDIR="$out" install'';
 }