diff --git a/gatchat/gatsyntax.c b/gatchat/gatsyntax.c
index 87d49ba0..800e35f0 100644
--- a/gatchat/gatsyntax.c
+++ b/gatchat/gatsyntax.c
@@ -289,7 +289,7 @@ static GAtSyntaxResult gsm_permissive_feed(GAtSyntax *syntax,
 				syntax->state = GSM_PERMISSIVE_STATE_PROMPT;
 			else if (byte == '"')
 				syntax->state =
-					GSM_PERMISSIVE_STATE_REPONSE_STRING;
+					GSM_PERMISSIVE_STATE_RESPONSE_STRING;
 			else
 				syntax->state = GSM_PERMISSIVE_STATE_RESPONSE;
 			break;