diff --git a/SOURCES/mod-sign.sh b/SOURCES/mod-sign.sh
index 535bd59..795ddc6 100755
--- a/SOURCES/mod-sign.sh
+++ b/SOURCES/mod-sign.sh
@@ -14,14 +14,15 @@ MODPUBKEY=$2
 moddir=$3
 
 modules=$(find "$moddir" -type f -name '*.ko')
+sign_file=$(find . -name 'sign-file' | head -n1)
 
 NPROC=$(nproc)
 [ -z "$NPROC" ] && NPROC=1
 
 # NB: this loop runs 2000+ iterations. Try to be fast.
-echo "$modules" | xargs -r -n16 -P "$NPROC" sh -c "
+echo "$modules" | xargs -r -n16 -P $NPROC sh -c "
 for mod; do
-    ./scripts/sign-file sha256 $MODSECKEY $MODPUBKEY \$mod
+    $sign_file sha256 $MODSECKEY $MODPUBKEY \$mod
     rm -f \$mod.sig \$mod.dig
 done
 " DUMMYARG0   # xargs appends ARG1 ARG2..., which go into $mod in for loop.
diff --git a/SPECS/kernel.spec b/SPECS/kernel.spec
index 5d4b5f4..31e7c8f 100755
--- a/SPECS/kernel.spec
+++ b/SPECS/kernel.spec
@@ -2901,8 +2901,6 @@ find Documentation -type d | xargs chmod u+w
 #
 # Don't sign modules for the zfcpdump variant as it is monolithic.
 
-cd %{_builddir}/%{name}-%{tarfile_release}/
-
 
 
 %define __modsign_install_post \