1 files changed, 4 insertions, 0 deletions
diff --git a/src/main/scala/firrtl/transforms/LegalizeClocks.scala b/src/main/scala/firrtl/transforms/LegalizeClocks.scala
index 333eb096..f439fdc9 100644
--- a/src/main/scala/firrtl/transforms/LegalizeClocks.scala
+++ b/src/main/scala/firrtl/transforms/LegalizeClocks.scala
@@ -45,6 +45,10 @@ object LegalizeClocksTransform {
         val node = DefNode(s.info, namespace.newTemp, s.clk)
         val sx = s.copy(clk = WRef(node))
         Block(Seq(node, sx))
+      case s: Verification if illegalClockExpr(s.clk) =>
+        val node = DefNode(s.info, namespace.newTemp, s.clk)
+        val sx = s.copy(clk = WRef(node))
+        Block(Seq(node, sx))
       case other => other
     }