diff --git a/linker/linker_format.c b/linker/linker_format.c
index d305740..f60e259 100644
--- a/linker/linker_format.c
+++ b/linker/linker_format.c
@@ -312,7 +312,7 @@
 
 #else /* !CUSTOM_LOG_VPRINT */
 
-extern int __libc_android_log_vprint(int  prio, const char* tag, const char*  format, va_list ap);
+extern "C" int __libc_android_log_vprint(int  prio, const char* tag, const char*  format, va_list ap);
 
 #endif /* !CUSTOM_LOG_VPRINT */