diff --git a/lib/sql.sh b/lib/sql.sh
index 02d7b4a..11ccb7c 100644
--- a/lib/sql.sh
+++ b/lib/sql.sh
@@ -38,5 +38,6 @@ Sql__open() {
 # Shuts down the database
 #################################################
 Sql__close() {
+    . "$Sql__PACKAGE_LOCATION/lib/drivers/interface.sh"
     Sql_driver_close
 }
diff --git a/test.sh b/test.sh
index a394260..edffb6f 100644
--- a/test.sh
+++ b/test.sh
@@ -115,6 +115,14 @@ Sql_test_generic_open() {
         echo "'Sql__close' returned an error"
         return 1
     fi
+
+    # Test connection
+    local ping_output
+    ping_output=$(Sql__ping)
+    if [[ $? -eq 0 ]]; then
+        echo "Database not closed properly, can still ping the database after closing"
+        return 1
+    fi
 }
 
 #################################################