diff --git a/Zend/zend_portability.h b/Zend/zend_portability.h
index 1e549d300be..dd518aebbb3 100644
--- a/Zend/zend_portability.h
+++ b/Zend/zend_portability.h
@@ -523,7 +523,7 @@ static zend_always_inline double _zend_get_nan(void) /* {{{ */
 
 /* Memory sanitizer is incompatible with ifunc resolvers. Even if the resolver
  * is marked as no_sanitize("memory") it will still be instrumented and crash. */
-#if __has_feature(memory_sanitizer)
+#if __has_feature(memory_sanitizer) || __has_feature(thread_sanitizer)
 # undef HAVE_FUNC_ATTRIBUTE_IFUNC
 #endif