diff --git a/include/string.h b/include/string.h
index 4aa930ed..8cf0ee9d 100644
--- a/include/string.h
+++ b/include/string.h
@@ -85,8 +85,10 @@ char *strcasestr(const char *, const char *);
 char *strsep(char **, const char *);
 void *memrchr(const void *, int, size_t);
 void *mempcpy(void *, const void *, size_t);
+#ifndef __cplusplus
 char *basename();
 #endif
+#endif
 
 #ifdef __cplusplus
 }