diff --git a/src/V3Const.cpp b/src/V3Const.cpp
index c98b4ab19..22866f0d0 100644
--- a/src/V3Const.cpp
+++ b/src/V3Const.cpp
@@ -859,7 +859,7 @@ private:
 	    AstNode* errorp = simvis.whyNotNodep(); if (!errorp) errorp = nodep;
 	    nodep->v3error("Expecting expression to be constant, but can't determine constant for "
 			   <<nodep->prettyTypeName()<<endl
-			   <<V3Error::msgPrefix(V3ErrorCode::EC_ERROR)<<errorp->fileline()<<"... Location of non-constant "
+			   <<V3Error::msgPrefix(V3ErrorCode::EC_ERROR,false)<<errorp->fileline()<<"... Location of non-constant "
 			   <<errorp->prettyTypeName()<<": "<<simvis.whyNotMessage());
 	    replaceZero(nodep); nodep=NULL;
 	} else {
diff --git a/src/V3Error.cpp b/src/V3Error.cpp
index d07faed09..7e851eb60 100644
--- a/src/V3Error.cpp
+++ b/src/V3Error.cpp
@@ -42,6 +42,7 @@ int V3Error::s_debugDefault = 0;
 int V3Error::s_tellManual = 0;
 ostringstream V3Error::s_errorStr;		// Error string being formed
 V3ErrorCode V3Error::s_errorCode = V3ErrorCode::EC_FATAL;
+bool V3Error::s_errorSuppressed = false;
 bool V3Error::s_describedEachWarn[V3ErrorCode::_ENUM_MAX];
 bool V3Error::s_describedWarnings = false;
 bool V3Error::s_pretendError[V3ErrorCode::_ENUM_MAX];
@@ -313,8 +314,8 @@ void V3Error::abortIfWarnings() {
     }
 }
 
-bool V3Error::isError(V3ErrorCode code) {
-    if (code==V3ErrorCode::EC_SUPPRESS) return false;
+bool V3Error::isError(V3ErrorCode code, bool supp) {
+    if (supp) return false;
     else if (code==V3ErrorCode::EC_INFO) return false;
     else if (code==V3ErrorCode::EC_FATAL) return true;
     else if (code==V3ErrorCode::EC_FATALSRC) return true;
@@ -324,13 +325,13 @@ bool V3Error::isError(V3ErrorCode code) {
     else return false;
 }
 
-string V3Error::msgPrefix(V3ErrorCode code) {
-    if (code==V3ErrorCode::EC_SUPPRESS) return "-arning-suppressed: ";
+string V3Error::msgPrefix(V3ErrorCode code, bool supp) {
+    if (supp) return "-arning-suppressed: ";
     else if (code==V3ErrorCode::EC_INFO) return "-Info: ";
     else if (code==V3ErrorCode::EC_FATAL) return "%Error: ";
     else if (code==V3ErrorCode::EC_FATALSRC) return "%Error: Internal Error: ";
     else if (code==V3ErrorCode::EC_ERROR) return "%Error: ";
-    else if (isError(code)) return "%Error-"+(string)code.ascii()+": ";
+    else if (isError(code, supp)) return "%Error-"+(string)code.ascii()+": ";
     else return "%Warning-"+(string)code.ascii()+": ";
 }
 
@@ -364,7 +365,7 @@ string V3Error::v3sform (const char* format, ...) {
 void V3Error::suppressThisWarning() {
     if (s_errorCode>=V3ErrorCode::EC_FIRST_WARN) {
 	V3Stats::addStatSum(string("Warnings, Suppressed ")+s_errorCode.ascii(), 1);
-	s_errorCode=V3ErrorCode::EC_SUPPRESS;
+	s_errorSuppressed = true;
     }
 }
 
@@ -372,15 +373,14 @@ void V3Error::v3errorEnd (ostringstream& sstr) {
 #ifdef __COVERITY__
     if (s_errorCode==V3ErrorCode::EC_FATAL) __coverity_panic__(x);
 #endif
-    if (s_errorCode!=V3ErrorCode::EC_SUPPRESS
+    if (!s_errorSuppressed
 	// On debug, show only non default-off warning to prevent pages of warnings
 	|| (debug() && !s_errorCode.defaultsOff())) {
 	cerr<<msgPrefix()<<sstr.str();
 	if (sstr.str()[sstr.str().length()-1] != '\n') {
 	    cerr<<endl;
 	}
-	if (s_errorCode!=V3ErrorCode::EC_SUPPRESS
-	    && s_errorCode!=V3ErrorCode::EC_INFO) {
+	if (!s_errorSuppressed && s_errorCode!=V3ErrorCode::EC_INFO) {
 	    if (!s_describedEachWarn[s_errorCode]
 		&& !s_pretendError[s_errorCode]) {
 		s_describedEachWarn[s_errorCode] = true;
@@ -404,7 +404,7 @@ void V3Error::v3errorEnd (ostringstream& sstr) {
 		    s_tellManual = 2;
 		}
 	    }
-	    if (isError(s_errorCode)) incErrors();
+	    if (isError(s_errorCode, s_errorSuppressed)) incErrors();
 	    else incWarnings();
 	    if (s_errorCode==V3ErrorCode::EC_FATAL
 		|| s_errorCode==V3ErrorCode::EC_FATALSRC) {
diff --git a/src/V3Error.h b/src/V3Error.h
index 52f042c97..d442469b9 100644
--- a/src/V3Error.h
+++ b/src/V3Error.h
@@ -36,7 +36,6 @@ public:
     enum en {
 	EC_MIN=0,	// Keep first
 	//
-	EC_SUPPRESS,	// Warning suppressed by user
 	EC_INFO,	// General information out
 	EC_FATAL,	// Kill the program
 	EC_FATALSRC,	// Kill the program, for internal source errors
@@ -96,7 +95,7 @@ public:
     const char* ascii() const {
 	const char* names[] = {
 	    // Leading spaces indicate it can't be disabled.
-	    " MIN", " SUPPRESS", " INFO", " FATAL", " FATALSRC", " ERROR",
+	    " MIN", " INFO", " FATAL", " FATALSRC", " ERROR",
 	    // Boolean
 	    " I_COVERAGE", " I_TRACING", " I_LINT", " I_DEF_NETTYPE_WIRE",
 	    // Errors
@@ -162,6 +161,7 @@ class V3Error {
     static int 		s_tellManual;		// Tell user to see manual, 0=not yet, 1=doit, 2=disable
     static ostringstream s_errorStr;		// Error string being formed
     static V3ErrorCode	s_errorCode;		// Error string being formed will abort
+    static bool		s_errorSuppressed;	// Error being formed should be suppressed
     enum MaxErrors { 	MAX_ERRORS = 50 };	// Fatal after this may errors
 
     V3Error() { cerr<<("Static class"); abort(); }
@@ -171,7 +171,7 @@ class V3Error {
     // ACCESSORS
     static void		debugDefault(int level) { s_debugDefault = level; }
     static int		debugDefault() { return s_debugDefault; }
-    static string	msgPrefix(V3ErrorCode code=s_errorCode);	// returns %Error/%Warn
+    static string	msgPrefix(V3ErrorCode code=s_errorCode, bool supp=s_errorSuppressed);	// returns %Error/%Warn
     static int		errorCount() { return s_errCount; }
     static int		warnCount() { return s_warnCount; }
     static int		errorOrWarnCount() { return errorCount()+warnCount(); }
@@ -183,7 +183,7 @@ class V3Error {
     static void		abortIfWarnings();
     static void		suppressThisWarning();	// Suppress next %Warn if user has it off
     static void		pretendError(V3ErrorCode code, bool flag) { s_pretendError[code]=flag; }
-    static bool		isError(V3ErrorCode code);
+    static bool		isError(V3ErrorCode code, bool supp);
     static string 	v3sform (const char* format, ...);
     static string	lineStr (const char* filename, int lineno);
     static V3ErrorCode	errorCode() { return s_errorCode; }
@@ -191,7 +191,7 @@ class V3Error {
     // Internals for v3error()/v3fatal() macros only
     // Error end takes the string stream to output, be careful to seek() as needed
     static ostringstream& v3errorPrep (V3ErrorCode code) {
-	s_errorStr.str(""); s_errorCode=code; return s_errorStr; }
+	s_errorStr.str(""); s_errorCode=code; s_errorSuppressed=false; return s_errorStr; }
     static ostringstream& v3errorStr () { return s_errorStr; }
     static void	vlAbort();
     static void	v3errorEnd(ostringstream& sstr);	// static, but often overridden in classes.