diff --git a/radio/src/storage/conversions/yaml/yaml_datastructs_funcs.cpp b/radio/src/storage/conversions/yaml/yaml_datastructs_funcs.cpp
index e80f5065a..8bcb460ec 100644
--- a/radio/src/storage/conversions/yaml/yaml_datastructs_funcs.cpp
+++ b/radio/src/storage/conversions/yaml/yaml_datastructs_funcs.cpp
@@ -845,6 +845,7 @@ bool w_customFn(void* user, uint8_t* data, uint32_t bitoffs,
       if (!w_mixSrcRaw(nullptr, CFN_PARAM(cfn) + MIXSRC_FIRST_GVAR, wf, opaque)) return false;
       break;
     }
+    break;
 
   default:
     add_comma = false;