diff --git a/vendored/libfuse/util/fusermount.cpp b/vendored/libfuse/util/fusermount.cpp
index 299d13cd..7ef5d9d5 100644
--- a/vendored/libfuse/util/fusermount.cpp
+++ b/vendored/libfuse/util/fusermount.cpp
@@ -445,6 +445,7 @@ static int unmount_fuse_locked(const char *mnt, int quiet, int lazy)
   }
 
  out:
+  free(copy);
   if (res == -1)
     return -1;