diff --git a/libc/src/signal/linux/signal_utils.h b/libc/src/signal/linux/signal_utils.h
index 20504b1b5fce..09569bc4b624 100644
--- a/libc/src/signal/linux/signal_utils.h
+++ b/libc/src/signal/linux/signal_utils.h
@@ -133,7 +133,7 @@ private:
   LIBC_INLINE_VAR static RawRwLock abort_lock;
 
 public:
-  LIBC_INLINE constexpr SigAbortGuard(bool exclusive) : old_mask{} {
+  LIBC_INLINE SigAbortGuard(bool exclusive) : old_mask{} {
     RawRwLock::LockResult result = RawRwLock::LockResult::Success;
     do {
       if (exclusive)