diff --git a/util/dvsim/Deploy.py b/util/dvsim/Deploy.py
index 072a3d4..d57ea4f 100644
--- a/util/dvsim/Deploy.py
+++ b/util/dvsim/Deploy.py
@@ -388,7 +388,12 @@
         self.pass_patterns = []
         self.fail_patterns = []
 
-        self.mandatory_cmd_attrs = {  # RAL gen
+        self.mandatory_cmd_attrs = {
+            # tool srcs
+            "tool_srcs": False,
+            "tool_dir": False,
+
+            # RAL gen
             "skip_ral": False,
             "gen_ral_pkg_cmd": False,
             "gen_ral_pkg_dir": False,