diff --git a/.github/workflows/c-tests.yml b/.github/workflows/c-tests.yml
index 7b3160332c..d2d720afc0 100644
--- a/.github/workflows/c-tests.yml
+++ b/.github/workflows/c-tests.yml
@@ -4,10 +4,10 @@ on:
   workflow_call:
     inputs:
       compiler-ref:
-        required: true
+        required: network-structure
         type: string
       runtime-ref:
-        required: true
+        required: network-structure
         type: string
       use-cpp:
         required: false