diff --git a/include/mmi.h b/include/mmi.h
index 76ff992..3fec80f 100644
--- a/include/mmi.h
+++ b/include/mmi.h
@@ -16,8 +16,12 @@ typedef struct {
 typedef struct {
 	int blind;
 	int answerlen;
-	char enguiryText[MAX_MMI_TEXT_LEN];
-} MMI_ENGUIRY_INFO;
+	char enquiryText[MAX_MMI_TEXT_LEN];
+} MMI_ENQUIRY_INFO;
+
+/* compat */
+#define enguiryText	 enquiryText
+#define MMI_ENGUIRY_INFO MMI_ENQUIRY_INFO
 
 #endif // __MMI_H_