diff --git a/.changes/change-pr-12884.md b/.changes/change-pr-12884.md
new file mode 100644
index 000000000..0a4ae2e8c
--- /dev/null
+++ b/.changes/change-pr-12884.md
@@ -0,0 +1,5 @@
+---
+"tauri-utils": "patch:bug"
+---
+
+fix: allow double `--` in permissions as command can have double `__`
diff --git a/crates/tauri-utils/src/acl/identifier.rs b/crates/tauri-utils/src/acl/identifier.rs
index 1693e4195..a95c6d534 100644
--- a/crates/tauri-utils/src/acl/identifier.rs
+++ b/crates/tauri-utils/src/acl/identifier.rs
@@ -104,7 +104,8 @@ impl ValidByte {
 
       (_, IDENTIFIER_SEPARATOR) => Some(ValidByte::Separator),
       (ValidByte::Separator, next) => ValidByte::alpha_numeric(next),
-      (ValidByte::Byte(b'-'), next) => ValidByte::alpha_numeric(next),
+      (ValidByte::Byte(b'-'), next) => ValidByte::alpha_numeric_hyphen(next),
+      (ValidByte::Byte(b'_'), next) => ValidByte::alpha_numeric_hyphen(next),
       (ValidByte::Byte(_), next) => ValidByte::alpha_numeric_hyphen(next),
     }
   }