diff --git a/src/cpu/intel/model_106cx/Kconfig b/src/cpu/intel/model_106cx/Kconfig
index e26bf1fea5..75161061bd 100644
--- a/src/cpu/intel/model_106cx/Kconfig
+++ b/src/cpu/intel/model_106cx/Kconfig
@@ -7,7 +7,10 @@ config CPU_INTEL_MODEL_106CX
 	select AP_IN_SIPI_WAIT
 	select TSC_SYNC_MFENCE
 
+if CPU_INTEL_MODEL_106CX
+
 config CPU_ADDR_BITS
 	int
 	default 32
 
+endif