diff --git a/include/verilated_funcs.h b/include/verilated_funcs.h
index d2cac8ac1..3e30d4718 100644
--- a/include/verilated_funcs.h
+++ b/include/verilated_funcs.h
@@ -1790,7 +1790,7 @@ static inline WDataOutP VL_SHIFTRS_WWW(int obits, int lbits, int rbits, WDataOut
                                        WDataInP const lwp, WDataInP const rwp) VL_MT_SAFE {
     EData overshift = 0;  // Huge shift 1>>32 or more
     for (int i = 1; i < VL_WORDS_I(rbits); ++i) overshift |= rwp[i];
-    if (VL_UNLIKELY(overshift || rwp[0] >= obits)) {
+    if (VL_UNLIKELY(overshift || rwp[0] >= static_cast<IData>(obits))) {
         const int lmsw = VL_WORDS_I(obits) - 1;
         const EData sign = VL_SIGNONES_E(lbits, lwp[lmsw]);
         for (int j = 0; j <= lmsw; ++j) owp[j] = sign;
@@ -1809,7 +1809,7 @@ static inline IData VL_SHIFTRS_IIW(int obits, int lbits, int rbits, IData lhs,
                                    WDataInP const rwp) VL_MT_SAFE {
     EData overshift = 0;  // Huge shift 1>>32 or more
     for (int i = 1; i < VL_WORDS_I(rbits); ++i) overshift |= rwp[i];
-    if (VL_UNLIKELY(overshift || rwp[0] >= obits)) {
+    if (VL_UNLIKELY(overshift || rwp[0] >= static_cast<IData>(obits))) {
         const IData sign = -(lhs >> (lbits - 1));  // ffff_ffff if negative
         return VL_CLEAN_II(obits, obits, sign);
     }
@@ -1819,7 +1819,7 @@ static inline QData VL_SHIFTRS_QQW(int obits, int lbits, int rbits, QData lhs,
                                    WDataInP const rwp) VL_MT_SAFE {
     EData overshift = 0;  // Huge shift 1>>32 or more
     for (int i = 1; i < VL_WORDS_I(rbits); ++i) overshift |= rwp[i];
-    if (VL_UNLIKELY(overshift || rwp[0] >= obits)) {
+    if (VL_UNLIKELY(overshift || rwp[0] >= static_cast<IData>(obits))) {
         const QData sign = -(lhs >> (lbits - 1));  // ffff_ffff if negative
         return VL_CLEAN_QQ(obits, obits, sign);
     }