diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 033c099ca3..5ddb100f0e 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,7 @@
+2010-08-29	Joel Sherrill <joel.sherrilL@OARcorp.com>
+
+	* posix/src/killinfo.c: Ensure interested is non-NULL before using it.
+
 2010-08-29	Joel Sherrill <joel.sherrilL@OARcorp.com>
 
 	* libcsupport/src/privateenv.c: Add macro to test status when
diff --git a/cpukit/posix/src/killinfo.c b/cpukit/posix/src/killinfo.c
index 2ae5857a6f..7f4f8d34ed 100644
--- a/cpukit/posix/src/killinfo.c
+++ b/cpukit/posix/src/killinfo.c
@@ -265,7 +265,7 @@ int killinfo(
        *  If the interested thread is ready, don't think about changing.
        */
 
-      if ( !_States_Is_ready( interested->current_state ) ) {
+      if ( interested && !_States_Is_ready( interested->current_state ) ) {
         /* preferred ready over blocked */
         DEBUG_STEP("5");
         if ( _States_Is_ready( the_thread->current_state ) ) {