diff --git a/include/verilated.h b/include/verilated.h
index 912948008..06a5cf97c 100644
--- a/include/verilated.h
+++ b/include/verilated.h
@@ -1919,13 +1919,14 @@ static inline IData VL_SHIFTL_IIW(int obits,int,int rbits,IData lhs, WDataInP rw
     }
     return VL_CLEAN_II(obits,obits,lhs<<rwp[0]);
 }
-static inline QData VL_SHIFTL_QQW(int obits,int,int rbits,IData lhs, WDataInP rwp) VL_MT_SAFE {
+static inline QData VL_SHIFTL_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp) VL_MT_SAFE {
     for (int i=1; i < VL_WORDS_I(rbits); ++i) {
         if (VL_UNLIKELY(rwp[i])) {  // Huge shift 1>>32 or more
             return 0;
         }
     }
-    return VL_CLEAN_QQ(obits,obits,lhs<<rwp[0]);
+    // Above checks rwp[1]==0 so not needed in below shift
+    return VL_CLEAN_QQ(obits, obits, lhs<<(static_cast<QData>(rwp[0])));
 }
 
 // EMIT_RULE: VL_SHIFTR:  oclean=lclean; rclean==clean;