diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 5166846aa5..2818849d09 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-01	Joel Sherrill <joel.sherrilL@OARcorp.com>
+
+	PR 1594/filesystem
+	* libfs/src/imfs/memfile.c: Include assert.h
+
 2010-07-01	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* libcsupport/src/getegid.c, libcsupport/src/gxx_wrappers.c,
diff --git a/cpukit/libfs/src/imfs/memfile.c b/cpukit/libfs/src/imfs/memfile.c
index 61e949a7ef..2d91e217e3 100644
--- a/cpukit/libfs/src/imfs/memfile.c
+++ b/cpukit/libfs/src/imfs/memfile.c
@@ -31,6 +31,10 @@
 #include <rtems/libio_.h>
 #include <rtems/seterr.h>
 
+#if defined(RTEMS_DEBUG)
+  #include <assert.h>
+#endif
+
 #define MEMFILE_STATIC
 
 /*