diff --git a/tasmota/xdrv_50_filesystem.ino b/tasmota/xdrv_50_filesystem.ino
index a7000c6b4..828028827 100644
--- a/tasmota/xdrv_50_filesystem.ino
+++ b/tasmota/xdrv_50_filesystem.ino
@@ -348,6 +348,11 @@ bool TfsLoadFile(const char *fname, uint8_t *buf, uint32_t len) {
     AddLog(LOG_LEVEL_INFO, PSTR("TFS: File '%s' not found"), fname +1);  // Skip leading slash
     return false;
   }
+  
+  size_t flen = file.size();
+  if (len > flen){
+    len = flen;
+  }
 
   file.read(buf, len);
   file.close();