diff --git a/electron/release-scripts/linux.sh b/electron/release-scripts/linux.sh
index 85b036d..8e81347 100755
--- a/electron/release-scripts/linux.sh
+++ b/electron/release-scripts/linux.sh
@@ -3,6 +3,7 @@
 if [ -z "${1}" ]
 then
   echo "Usage: ${0} RELEASE_VERSION"
+  exit 1
 fi
 
 RELEASE_VERSION="${1}"
diff --git a/electron/release-scripts/macos.sh b/electron/release-scripts/macos.sh
index bc82d23..4c49258 100755
--- a/electron/release-scripts/macos.sh
+++ b/electron/release-scripts/macos.sh
@@ -3,6 +3,7 @@
 if [ -z "${1}" ]
 then
   echo "Usage: ${0} RELEASE_VERSION"
+  exit 1
 fi
 
 RELEASE_VERSION="${1}"