diff --git a/src/asm/lexer.c b/src/asm/lexer.c
index bb8f6ad0..cdb91c25 100644
--- a/src/asm/lexer.c
+++ b/src/asm/lexer.c
@@ -763,6 +763,9 @@ static uint32_t yylex_MACROARGS(void)
 			case '\\':
 				ch = '\\';
 				break;
+			case '"':
+				ch = '\"';
+				break;
 			case ',':
 				ch = ',';
 				break;