diff --git a/CHANGES b/CHANGES
index a34a0ea2b6..86365932e9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+ 717.	[bug]		Certain TKEY processing failure modes could
+			reference an uninitialized variable, causing the
+			server to crash. [RT #750]
+
  716.	[bug]		The first line of a $INCLUDE master file was lost if
 			a origin was specified. [RT #744]
 
diff --git a/lib/dns/tkey.c b/lib/dns/tkey.c
index 9d26023af9..f3e4fee3df 100644
--- a/lib/dns/tkey.c
+++ b/lib/dns/tkey.c
@@ -16,7 +16,7 @@
  */
 
 /*
- * $Id: tkey.c,v 1.63 2001/01/12 00:56:44 bwelling Exp $
+ * $Id: tkey.c,v 1.64 2001/01/30 19:17:31 halley Exp $
  */
 
 #include <config.h>
@@ -544,6 +544,8 @@ dns_tkey_processquery(dns_message_t *msg, dns_tkeyctx_t *tctx,
 	REQUIRE(tctx != NULL);
 	REQUIRE(ring != NULL);
 
+	ISC_LIST_INIT(namelist);
+
 	/*
 	 * Need to do this to determine if this should be freed later.
 	 */
@@ -614,8 +616,6 @@ dns_tkey_processquery(dns_message_t *msg, dns_tkeyctx_t *tctx,
 	} else
 		signer = &tsigner;
 
-	ISC_LIST_INIT(namelist);
-
 	tkeyout.common.rdclass = tkeyin.common.rdclass;
 	tkeyout.common.rdtype = tkeyin.common.rdtype;
 	ISC_LINK_INIT(&tkeyout.common, link);