diff --git a/kas/armgcc.yml b/kas/armgcc.yml
index 52b09b09..4e05f5ef 100644
--- a/kas/armgcc.yml
+++ b/kas/armgcc.yml
@@ -2,5 +2,5 @@ header:
   version: 9
 
 local_conf_header:
-  libc: |
+  cc: |
     GCCVERSION = "arm-10.2"