diff --git a/mariadb-103.sh b/mariadb-103.sh
index b2d6058..ff22b3b 100644
--- a/mariadb-103.sh
+++ b/mariadb-103.sh
@@ -14,6 +14,8 @@
 # License for the specific language governing permissions and limitations under
 # the License.
 
+set -e
+
 output(){
     printf '\e[1;34m%-6s\e[m\n' "${@}"
 }
diff --git a/mariadb-104-legacy.sh b/mariadb-104-legacy.sh
index 9f334db..0ca6c54 100644
--- a/mariadb-104-legacy.sh
+++ b/mariadb-104-legacy.sh
@@ -14,6 +14,8 @@
 # License for the specific language governing permissions and limitations under
 # the License.
 
+set -e
+
 output(){
     printf '\e[1;34m%-6s\e[m\n' "${@}"
 }
diff --git a/mariadb-104.sh b/mariadb-104.sh
index 66d6c80..37639ce 100644
--- a/mariadb-104.sh
+++ b/mariadb-104.sh
@@ -14,6 +14,8 @@
 # License for the specific language governing permissions and limitations under
 # the License.
 
+set -e
+
 output(){
     printf '\e[1;34m%-6s\e[m\n' "${@}"
 }