diff --git a/assertion_failure_fix.diff b/assertion_failure_fix.diff
new file mode 100644
index 0000000..68af9ea
--- /dev/null
+++ b/assertion_failure_fix.diff
@@ -0,0 +1,11 @@
+--- bin/named/client.c
++++ bin/named/client.c	2012/05/10 11:39:32
+@@ -240,7 +240,7 @@
+ 	REQUIRE(client->state == NS_CLIENTSTATE_WORKING);
+ 
+ 	LOCK(&client->manager->reclock);
+-	client->state = NS_CLIENTSTATE_RECURSING;
++	client->newstate = client->state = NS_CLIENTSTATE_RECURSING;
+ 	ISC_LIST_APPEND(client->manager->recursing, client, rlink);
+ 	UNLOCK(&client->manager->reclock);
+ }
diff --git a/bind.changes b/bind.changes
index 80267f1..275d1ee 100644
--- a/bind.changes
+++ b/bind.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu May 10 13:44:54 CEST 2012 - ug@suse.de
+
+- added patch to fix an assertion failure
+
 -------------------------------------------------------------------
 Fri May  4 17:01:24 CEST 2012 - ug@suse.de
 
diff --git a/bind.spec b/bind.spec
index 1065240..64d10d5 100644
--- a/bind.spec
+++ b/bind.spec
@@ -53,6 +53,7 @@ Patch51:        pie_compile.diff
 Patch52:        named-bootconf.diff
 Patch100:       configure.in.diff2
 Patch110:       workaround-compile-problem.diff
+Patch120:       assertion_failure_fix.diff
 Source60:       dlz-schema.txt
 %if %ul_version >= 1
 %define	VENDOR UL
@@ -187,6 +188,7 @@ Name Domain (BIND) DNS server is found in the package named bind.
 %patch100 -p1
 %endif
 %patch110 -p0
+%patch120 -p0
 # modify settings of some files regarding to OS version and vendor
 function replaceStrings()
 {