diff --git a/hawkbit-repository/hawkbit-repository-jpa/src/main/resources/db/migration/H2/V1_9_0__software_module_type_constraint__H2.sql b/hawkbit-repository/hawkbit-repository-jpa/src/main/resources/db/migration/H2/V1_9_0__software_module_type_constraint__H2.sql
new file mode 100644
index 000000000..88f12d65d
--- /dev/null
+++ b/hawkbit-repository/hawkbit-repository-jpa/src/main/resources/db/migration/H2/V1_9_0__software_module_type_constraint__H2.sql
@@ -0,0 +1,2 @@
+alter table sp_software_module_type 
+        add constraint maxAssignmentCheck check (maxAssignments > 0);
\ No newline at end of file
diff --git a/hawkbit-repository/hawkbit-repository-jpa/src/main/resources/db/migration/MYSQL/V1_9_0__software_module_type_constraint__MYSQL.sql b/hawkbit-repository/hawkbit-repository-jpa/src/main/resources/db/migration/MYSQL/V1_9_0__software_module_type_constraint__MYSQL.sql
new file mode 100644
index 000000000..88f12d65d
--- /dev/null
+++ b/hawkbit-repository/hawkbit-repository-jpa/src/main/resources/db/migration/MYSQL/V1_9_0__software_module_type_constraint__MYSQL.sql
@@ -0,0 +1,2 @@
+alter table sp_software_module_type 
+        add constraint maxAssignmentCheck check (maxAssignments > 0);
\ No newline at end of file