diff --git a/mkuid.sh b/mkuid.sh
index c95741043..a59f58143 100755
--- a/mkuid.sh
+++ b/mkuid.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 echo "extracting UID_MIN and GID_MIN"
 echo "#ifndef FIREJAIL_UIDS_H" > uids.h