diff --git a/liba/include/bridge/string.h b/liba/include/bridge/string.h
index bf8417f87..d5eda3946 100644
--- a/liba/include/bridge/string.h
+++ b/liba/include/bridge/string.h
@@ -8,6 +8,7 @@
 LIBA_BEGIN_DECLS
 
 #if (__GLIBC__ || __MINGW32__)
+size_t strlcat(char * dst, const char * src, size_t dstSize);
 size_t strlcpy(char * dst, const char * src, size_t len);
 #endif