diff --git a/docs/Debugger_Changelog.txt b/docs/Debugger_Changelog.txt
index fbd7e33f..6bf6fa7c 100644
--- a/docs/Debugger_Changelog.txt
+++ b/docs/Debugger_Changelog.txt
@@ -1,4 +1,8 @@
 /*
+2.9.2.1 Added: Error message when trying to add a symbol > 51 characters.
+
+2.9.2.0 Released with AppleWin 1.30.20.0
+
 2.9.2.0 Fixed: Debugger: Step-over WAIT can fail #1194
 2.9.1.26 Fixed: When adding symbols list the address first then the name for readability
 2.9.1.25 Fixed: R P ## wasn't setting P flag status register.
diff --git a/source/Debugger/Debug.cpp b/source/Debugger/Debug.cpp
index a616b030..74e11de7 100644
--- a/source/Debugger/Debug.cpp
+++ b/source/Debugger/Debug.cpp
@@ -53,7 +53,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #define MAKE_VERSION(a,b,c,d) ((a<<24) | (b<<16) | (c<<8) | (d))
 
 	// See /docs/Debugger_Changelog.txt for full details
-	const int DEBUGGER_VERSION = MAKE_VERSION(2,9,2,0);
+	const int DEBUGGER_VERSION = MAKE_VERSION(2,9,2,1);
 
 
 // Public _________________________________________________________________________________________
diff --git a/source/Debugger/Debugger_Symbols.cpp b/source/Debugger/Debugger_Symbols.cpp
index 2afb02ea..3532d5a4 100644
--- a/source/Debugger/Debugger_Symbols.cpp
+++ b/source/Debugger/Debugger_Symbols.cpp
@@ -827,7 +827,8 @@ void SymbolUpdate ( SymbolTable_Index_e eSymbolTable, const char *pSymbolName, W
 	if (bRemoveSymbol)
 		pSymbolName = g_aArgs[2].sArg;
 
-	if (_tcslen( pSymbolName ) < MAX_SYMBOLS_LEN)
+	size_t nSymLen = _tcslen( pSymbolName );
+	if (nSymLen < MAX_SYMBOLS_LEN)
 	{
 		WORD nAddressPrev;
 		int  iTable;
@@ -888,6 +889,16 @@ void SymbolUpdate ( SymbolTable_Index_e eSymbolTable, const char *pSymbolName, W
 			);
 		}
 	}
+	else
+		ConsolePrintFormat(
+			CHC_ERROR   "Error: "
+			CHC_DEFAULT "Symbol length "
+			CHC_NUM_DEC "%d "
+			CHC_ARG_SEP "> "
+			CHC_NUM_DEC "%d "
+			, (int) nSymLen
+			, MAX_SYMBOLS_LEN
+		);
 }
 
 // Syntax: