diff --git a/common/params.cc b/common/params.cc
index ce206b8..efabcc3 100755
--- a/common/params.cc
+++ b/common/params.cc
@@ -234,7 +234,7 @@ std::unordered_map<std::string, uint32_t> keys = {
     {"CarSpeedLimit", PERSISTENT},
     {"CarSpeedLimitLiteral", PERSISTENT},
     {"SpeedLimitLatDesired", PERSISTENT},
-    ("SpeedLimitVTSC", PERSISTENT),
+    {"SpeedLimitVTSC", PERSISTENT},
     {"CECurves", PERSISTENT},
     {"CECurvesLead", PERSISTENT},
     {"CENavigation", PERSISTENT},