diff --git a/pkgs/development/tools/analysis/smatch/default.nix b/pkgs/development/tools/analysis/smatch/default.nix
index 8b9deca409f..c5aea9a6075 100644
--- a/pkgs/development/tools/analysis/smatch/default.nix
+++ b/pkgs/development/tools/analysis/smatch/default.nix
@@ -20,7 +20,10 @@ stdenv.mkDerivation {
    ++ stdenv.lib.optional buildllvmsparse llvm
    ++ stdenv.lib.optional buildc2xml libxml2;
 
-  installFlags = "DESTDIR=$(out)";
+  preBuild =
+    '' sed -i Makefile \
+           -e "s|^PREFIX=.*|PREFIX = $out|g"
+    '';
 
   meta = {
     description = "A semantic analysis tool for C";