diff --git a/Ext4.h b/Ext4.h
index c768f5a..55672af 100644
--- a/Ext4.h
+++ b/Ext4.h
@@ -21,6 +21,7 @@
 
 class Ext4 {
 public:
+    static int check(const char *fsPath, const char *mountPoint);
     static int doMount(const char *fsPath, const char *mountPoint, bool ro, bool remount,
             bool executable);
     static int format(const char *fsPath, unsigned int numSectors, const char *mountpoint);