diff --git a/includes/isc/result.h b/includes/isc/result.h
index 8ea51043..bd0f1282 100644
--- a/includes/isc/result.h
+++ b/includes/isc/result.h
@@ -69,8 +69,9 @@ ISC_LANG_BEGINDECLS
 #define ISC_R_NOTYET			41
 #define ISC_R_UNCHANGED			42
 #define ISC_R_MULTIPLE			43
+#define ISC_R_KEYCONFLICT		44
 
-#define ISC_R_NRESULTS 			44	/* Number of results */
+#define ISC_R_NRESULTS 			45	/* Number of results */
 
 char *			isc_result_totext(isc_result_t);
 isc_result_t		isc_result_register(unsigned int base,
diff --git a/omapip/result.c b/omapip/result.c
index 246f4346..abf29f3a 100644
--- a/omapip/result.c
+++ b/omapip/result.c
@@ -68,6 +68,7 @@ static char *text[ISC_R_NRESULTS] = {
 	"data not yet available",		/* 41 */
 	"object unchanged",			/* 42 */
 	"more than one object matches key",	/* 43 */
+	"key conflict",				/* 44 */
 };
 
 char *isc_result_totext (isc_result_t result)