diff --git a/src/modems/hayes/quirks.h b/src/modems/hayes/quirks.h
index 71db162..93775ef 100644
--- a/src/modems/hayes/quirks.h
+++ b/src/modems/hayes/quirks.h
@@ -24,11 +24,12 @@
 /* types */
 typedef enum _HayesQuirk
 {
-	HAYES_QUIRK_BATTERY_70			= 0x1,
-	HAYES_QUIRK_CPIN_NO_QUOTES		= 0x2,
-	HAYES_QUIRK_CONNECTED_LINE_DISABLED	= 0x4,
-	HAYES_QUIRK_WANT_SMSC_IN_PDU		= 0x8,
-	HAYES_QUIRK_REPEAT_ON_UNKNOWN_ERROR	= 0x10
+	HAYES_QUIRK_BATTERY_70			= 0x01,
+	HAYES_QUIRK_CPIN_NO_QUOTES		= 0x02,
+	HAYES_QUIRK_CPIN_SLOW			= 0x04,
+	HAYES_QUIRK_CONNECTED_LINE_DISABLED	= 0x08,
+	HAYES_QUIRK_WANT_SMSC_IN_PDU		= 0x10,
+	HAYES_QUIRK_REPEAT_ON_UNKNOWN_ERROR	= 0x20
 } HayesQuirk;
 
 typedef const struct _HayesQuirks