diff --git a/cpukit/libmisc/shell/main_edit.c b/cpukit/libmisc/shell/main_edit.c
index 2ede21bc36..d105e20079 100644
--- a/cpukit/libmisc/shell/main_edit.c
+++ b/cpukit/libmisc/shell/main_edit.c
@@ -46,6 +46,7 @@
 #endif
 
 #ifdef __rtems__
+#include <assert.h>
 #include <rtems.h>
 #include <rtems/shell.h>
 #endif