diff --git a/src/dotchain/runtime/interpreter.py b/src/dotchain/runtime/interpreter.py
index bf33cb8..1304af5 100644
--- a/src/dotchain/runtime/interpreter.py
+++ b/src/dotchain/runtime/interpreter.py
@@ -355,26 +355,19 @@ def expression_list_to_binary(expression_list: list[Expression | Token], stack:
         return expression_list_to_binary(expression_list[1:], stack)
 
 def _priority(operator: str):
-    priority = 0
     if operator in ["*", "/", "%"]:
-        return priority
-    priority += 1
+        return 0
     if operator in ["+", "-"]:
-        return priority
-    priority += 1
+        return 1
     if operator in ["<", ">", "<=", ">="]:
-        return priority
-    priority += 1
+        return 2
     if operator in ["==", "!="]:
-        return priority
-    priority += 1
+        return 3
     if operator in ["&&"]:
-        return priority
-    priority += 1
+        return 4
     if operator in ["||"]:
-        return priority
-    priority += 1
-    return priority
+        return 5
+    return 6
 
 def _try_assignment_expression(tkr: Tokenizer):
     tkr = copy.deepcopy(tkr)