diff --git a/misc/debug_tools/acrn_log/acrnlog.c b/misc/debug_tools/acrn_log/acrnlog.c
index e84f2eeb8..24cbe793e 100644
--- a/misc/debug_tools/acrn_log/acrnlog.c
+++ b/misc/debug_tools/acrn_log/acrnlog.c
@@ -414,6 +414,7 @@ static int mk_dir(const char *path)
 			} else
 				remove(acrnlog_file);
 		}
+		closedir(dir);
 	}
 
 	return 0;