diff --git a/porting/nimble/include/nimble/nimble_port.h b/porting/nimble/include/nimble/nimble_port.h
index 88511381a..79cf5f563 100644
--- a/porting/nimble/include/nimble/nimble_port.h
+++ b/porting/nimble/include/nimble/nimble_port.h
@@ -22,7 +22,7 @@
 
 #include "nimble/nimble_npl.h"
 
-#define NIMBLE_CORE (CONFIG_NIMBLE_PINNED_TO_CORE < portNUM_PROCESSORS ? CONFIG_NIMBLE_PINNED_TO_CORE : tskNO_AFFINITY)
+#define NIMBLE_CORE (CONFIG_BT_NIMBLE_PINNED_TO_CORE < portNUM_PROCESSORS ? CONFIG_BT_NIMBLE_PINNED_TO_CORE : tskNO_AFFINITY)
 
 #ifdef __cplusplus
 extern "C" {