diff --git a/c/src/lib/libbsp/powerpc/helas403/ChangeLog b/c/src/lib/libbsp/powerpc/helas403/ChangeLog
index 63f9ce28cd..c9a8132699 100644
--- a/c/src/lib/libbsp/powerpc/helas403/ChangeLog
+++ b/c/src/lib/libbsp/powerpc/helas403/ChangeLog
@@ -1,3 +1,12 @@
+2001-11-08	Dennis Ehlin (ECS) <Dennis.Ehlin@ecs.ericsson.se>
+
+	This modification is part of the submitted modifications necessary to
+	support the IBM PPC405 family.  This submission was reviewed by
+	Thomas Doerfler <Thomas.Doerfler@imd-systems.de> who ensured it did
+	not negatively impact the ppc403 BSPs.  The submission and tracking
+	process was captured as PR50.
+	* include/bsp.h: Increase the interrupt stack size to 16K.
+
 2001-10-25	Joel Sherrill <joel@OARcorp.com>
 
 	* startup/linkcmds: Added _init and _fini.
diff --git a/c/src/lib/libbsp/powerpc/helas403/include/bsp.h b/c/src/lib/libbsp/powerpc/helas403/include/bsp.h
index 7bd264c0a4..68569f1af3 100644
--- a/c/src/lib/libbsp/powerpc/helas403/include/bsp.h
+++ b/c/src/lib/libbsp/powerpc/helas403/include/bsp.h
@@ -53,7 +53,7 @@ extern "C" {
  */
 
 /* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */
-#define CONFIGURE_INTERRUPT_STACK_MEMORY  (4 * 1024)
+#define CONFIGURE_INTERRUPT_STACK_MEMORY  (16 * 1024)
 
 #ifdef ASM
 /* Definition of where to store registers in alignment handler */