diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index 389bf983879da8d476bb3b2060dc559b146d5d34..f4449b5753796f1f189c906308fe5112bf675867 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -21,7 +21,7 @@ set_debarch() {
 	sparc*)
 		debarch=sparc ;;
 	s390*)
-		debarch=s390$(grep -q CONFIG_64BIT=y $KCONFIG_CONFIG && echo x || true) ;;
+		debarch=s390x ;;
 	ppc*)
 		debarch=$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo ppc64el || echo powerpc) ;;
 	parisc*)