diff --git a/libs/portable/src/bin_reader.rs b/libs/portable/src/bin_reader.rs
index 2d0b1bf7e..0a6cd8ef9 100644
--- a/libs/portable/src/bin_reader.rs
+++ b/libs/portable/src/bin_reader.rs
@@ -74,7 +74,7 @@ impl BinaryReader {
         assert!(BIN_DATA.len() > IDENTIFIER_LENGTH, "bin data invalid!");
         let mut iden = String::from_utf8_lossy(&BIN_DATA[base..base + IDENTIFIER_LENGTH]);
         if iden != "rustdesk" {
-            panic!("bin file is not vaild!");
+            panic!("bin file is not valid!");
         }
         base += IDENTIFIER_LENGTH;
         loop {