diff --git a/src/V3Width.cpp b/src/V3Width.cpp
index 113d3eb40..806974c3b 100644
--- a/src/V3Width.cpp
+++ b/src/V3Width.cpp
@@ -1914,7 +1914,7 @@ private:
                 patternBasic(nodep, dtypep, defaultp); VL_DANGLING(nodep);
             } else {
                 nodep->v3error("Unsupported: Assignment pattern applies against non struct/union: "
-                               <<vdtypep->prettyTypeName());
+                               <<dtypep->prettyTypeName());
             }
         }
     }