diff --git a/src/soc/intel/quark/reg_access.c b/src/soc/intel/quark/reg_access.c
index 3d530b9..2ddb99b 100644
--- a/src/soc/intel/quark/reg_access.c
+++ b/src/soc/intel/quark/reg_access.c
@@ -163,9 +163,11 @@
 
 	case 0:
 		write_cr0(value);
+		break;
 
 	case 4:
 		write_cr4(value);
+		break;
 	}
 }