diff --git a/pkgs/build-support/testers/shellcheck/tester.nix b/pkgs/build-support/testers/shellcheck/tester.nix
index 7d1a372a5a60..80b702382bc3 100644
--- a/pkgs/build-support/testers/shellcheck/tester.nix
+++ b/pkgs/build-support/testers/shellcheck/tester.nix
@@ -27,7 +27,7 @@ stdenvNoCC.mkDerivation {
   dontConfigure = true;
   dontBuild = true;
   checkPhase = ''
-    find "$src" -type f -print0 | xargs -0 shellcheck
+    find "$src" -type f -print0 | xargs -0 shellcheck --source-path="$src"
   '';
   installPhase = ''
     touch "$out"