diff --git a/pkgs/by-name/re/re-isearch/package.nix b/pkgs/by-name/re/re-isearch/package.nix
index 03b6ffbc4fe6..be99cd7ee0a4 100644
--- a/pkgs/by-name/re/re-isearch/package.nix
+++ b/pkgs/by-name/re/re-isearch/package.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [ writableTmpDirAsHomeHook ];
 
-  buildinputs = [
+  buildInputs = [
     db
     file # libmagic
     libnsl