diff --git a/firmware/common/dir.c b/firmware/common/dir.c
index 867cece953..473997bd37 100644
--- a/firmware/common/dir.c
+++ b/firmware/common/dir.c
@@ -30,7 +30,7 @@ static DIR opendirs[MAX_OPEN_DIRS];
 
 DIR* opendir(char* name)
 {
-    char namecopy[256];
+    char namecopy[MAX_PATH];
     char* part;
     char* end;
     struct fat_direntry entry;
diff --git a/firmware/common/dir.h b/firmware/common/dir.h
index f805013d2b..3cf36eb34f 100644
--- a/firmware/common/dir.h
+++ b/firmware/common/dir.h
@@ -20,6 +20,7 @@
 #define _DIR_H_
 
 #include <stdbool.h>
+#include "file.h"
 
 #ifndef DIRENT_DEFINED
 
@@ -31,7 +32,7 @@
 #define ATTR_ARCHIVE     0x20
 
 struct dirent {
-    unsigned char d_name[256];
+    unsigned char d_name[MAX_PATH];
     int attribute;
     int size;
     int startcluster;