diff --git a/fs/Exfat.cpp b/fs/Exfat.cpp
index c624eb9..34f1024 100644
--- a/fs/Exfat.cpp
+++ b/fs/Exfat.cpp
@@ -41,6 +41,7 @@ bool IsSupported() {
 status_t Check(const std::string& source) {
     std::vector<std::string> cmd;
     cmd.push_back(kFsckPath);
+    cmd.push_back("-a");
     cmd.push_back(source);
 
     int rc = ForkExecvp(cmd, nullptr, sFsckUntrustedContext);