diff --git a/scripts/bump_version.sh b/scripts/bump_version.sh
index 9966dea63..529d84751 100755
--- a/scripts/bump_version.sh
+++ b/scripts/bump_version.sh
@@ -15,7 +15,6 @@
 set -e
 
 VERSION=""
-SOVERSION=""
 
 # Parse arguments
 #
@@ -52,7 +51,7 @@ do
       echo -e "  --so-x509 <version>\tSO version to bump libmbedx509 to."
       echo -e "  --so-tls <version>\tSO version to bump libmbedtls to."
       echo -e "  -v|--verbose\t\tVerbose."
-      exit 1
+      exit 0
       ;;
     *)
       # print error