diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 68ce58acae..49fe5c49e1 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2001-08-30  Jim Blandy  <jimb@redhat.com>
+
+	* symfile.c (load_command): Invalidate the overlay cache.
+
 2001-08-30  Mark Kettenis  <kettenis@gnu.org>
 
 	* config/i386/xm-i386.h (HOST_BYTE_ORDER): Removed.
diff --git a/gdb/symfile.c b/gdb/symfile.c
index e20e6de3bb..1bda72eb36 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -1154,6 +1154,10 @@ load_command (char *arg, int from_tty)
   if (arg == NULL)
     arg = get_exec_file (1);
   target_load (arg, from_tty);
+
+  /* After re-loading the executable, we don't really know which
+     overlays are mapped any more.  */
+  overlay_cache_invalid = 1;
 }
 
 /* This version of "load" should be usable for any target.  Currently