diff --git a/libc/bionic/malloc_common.h b/libc/bionic/malloc_common.h
index a2f338a..e3326cf 100644
--- a/libc/bionic/malloc_common.h
+++ b/libc/bionic/malloc_common.h
@@ -71,4 +71,6 @@
     async_safe_format_log(ANDROID_LOG_ERROR, "libc", (format), ##__VA_ARGS__ )
 #define info_log(format, ...)  \
     async_safe_format_log(ANDROID_LOG_INFO, "libc", (format), ##__VA_ARGS__ )
+#define warning_log(format, ...)  \
+    async_safe_format_log(ANDROID_LOG_WARN, "libc", (format), ##__VA_ARGS__ )
 // =============================================================================