diff --git a/CHANGES b/CHANGES
index e10ad180dd..c73b90b7c8 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+1834.	[bug]		Bad memset in rdata_test.c. [RT #13658]
+
 1833.	[bug]		Race condition in isc_mutex_lock_profile(). [RT #13660]
 
 1832.	[bug]		named fails to return BADKEY on unknown TSIG algorithm.
diff --git a/bin/tests/rdata_test.c b/bin/tests/rdata_test.c
index 9177de6ac8..bb1c84eef2 100644
--- a/bin/tests/rdata_test.c
+++ b/bin/tests/rdata_test.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rdata_test.c,v 1.35.12.7 2004/03/08 04:04:27 marka Exp $ */
+/* $Id: rdata_test.c,v 1.35.12.8 2005/03/16 02:45:09 marka Exp $ */
 
 #include <config.h>
 
@@ -920,7 +920,7 @@ main(int argc, char *argv[]) {
 		}
 	}
 
-	memset(&dctx, '0', sizeof(dctx));
+	memset(&dctx, 0, sizeof(dctx));
 	dctx.allowed = DNS_COMPRESS_ALL;
 
 	RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);