diff --git a/arch/platform/srf06-cc26xx/platform.c b/arch/platform/srf06-cc26xx/platform.c
index ccb97894f..cafca84ff 100644
--- a/arch/platform/srf06-cc26xx/platform.c
+++ b/arch/platform/srf06-cc26xx/platform.c
@@ -194,7 +194,8 @@ platform_init_stage_two()
 void
 platform_init_stage_three()
 {
-  radio_value_t chan, pan;
+  radio_value_t chan = 0;
+  radio_value_t pan = 0;
 
   set_rf_params();