diff --git a/libtcc.c b/libtcc.c
index 995e779..5eaa4f6 100644
--- a/libtcc.c
+++ b/libtcc.c
@@ -993,6 +993,7 @@ LIBTCCAPI TCCState *tcc_new(void)
             tok = strtok_r(NULL, delim, &tok_save_ptr);
         }
         tcc_free(tok_extra_libdir);
+        tcc_free(extra_libdir_str);
     }
 #endif
 #endif