diff --git a/config/common/definitions.h b/config/common/definitions.h
index fa30d03..a7095fb 100644
--- a/config/common/definitions.h
+++ b/config/common/definitions.h
@@ -6,7 +6,7 @@
  * Enumerations for used PUS service IDs.
  */
 namespace pus {
-enum ServiceIds: uint8_t {
+enum ServiceIds : uint8_t {
   PUS_SERVICE_1 = 1,
   PUS_SERVICE_2 = 2,
   PUS_SERVICE_3 = 3,