diff --git a/pachyrhynchus-config b/pachyrhynchus-config
index e41b04d..dc51f83 100644
--- a/pachyrhynchus-config
+++ b/pachyrhynchus-config
@@ -3874,7 +3874,7 @@ CONFIG_STACKLEAK_TRACK_MIN_SIZE=100
 CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
 CONFIG_INIT_ON_FREE_DEFAULT_ON=y
 CONFIG_CC_HAS_ZERO_CALL_USED_REGS=y
-# CONFIG_ZERO_CALL_USED_REGS is not set
+CONFIG_ZERO_CALL_USED_REGS=y
 # end of Memory initialization
 
 # CONFIG_RANDSTRUCT_NONE is not set