diff --git a/src/asm/symbol.c b/src/asm/symbol.c
index 856826db..2207c2f6 100644
--- a/src/asm/symbol.c
+++ b/src/asm/symbol.c
@@ -20,6 +20,7 @@ struct sSymbol *tHashedSymbols[HASHSIZE];
 struct sSymbol *pScope = NULL;
 struct sSymbol *pPCSymbol = NULL;
 struct sSymbol *p_NARGSymbol = NULL;
+struct sSymbol *p__LINE__Symbol = NULL;
 char *currentmacroargs[MAXMACROARGS + 1];
 char *newmacroargs[MAXMACROARGS + 1];
 char SavedTIME[256];
@@ -60,6 +61,13 @@ Callback_NARG(struct sSymbol * sym)
 	return (i);
 }
 
+SLONG
+Callback__LINE__(struct sSymbol * sym)
+{
+	sym = sym;
+	return (nLineNo);
+}
+
 /*
  * Get the nValue field of a symbol
  */
@@ -864,6 +872,9 @@ sym_PrepPass2(void)
 	sym_AddEqu("_NARG", 0);
 	p_NARGSymbol = findsymbol("_NARG", NULL);
 	p_NARGSymbol->Callback = Callback_NARG;
+	sym_AddEqu("__LINE__", 0);
+	p__LINE__Symbol = findsymbol("__LINE__", NULL);
+	p__LINE__Symbol->Callback = Callback__LINE__;
 
 	math_DefinePI();
 }
@@ -890,6 +901,9 @@ sym_Init(void)
 	sym_AddEqu("_NARG", 0);
 	p_NARGSymbol = findsymbol("_NARG", NULL);
 	p_NARGSymbol->Callback = Callback_NARG;
+	sym_AddEqu("__LINE__", 0);
+	p__LINE__Symbol = findsymbol("__LINE__", NULL);
+	p__LINE__Symbol->Callback = Callback__LINE__;
 
 	sym_AddSet("_RS", 0);