diff --git a/src/V3Param.cpp b/src/V3Param.cpp
index 02f545516..a898b0de7 100644
--- a/src/V3Param.cpp
+++ b/src/V3Param.cpp
@@ -781,7 +781,7 @@ public:
         bool any_overrides = false;
         // Must always clone __Vrcm (recursive modules)
         if (nodep->recursive()) any_overrides = true;
-        if (debug() > 8) nodep->paramsp()->dumpTreeAndNext(cout, "-cellparams: ");
+        if (debug() > 8 && nodep->paramsp()) nodep->paramsp()->dumpTreeAndNext(cout, "-cellparams: ");
 
         if (srcModp->hierBlock()) {
             longname = parameterizedHierBlockName(srcModp, nodep->paramsp());