1 files changed, 2 insertions, 0 deletions

diff --git a/src/alloc.c b/src/alloc.c
index e010f8501bc..4f7b7a81853 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1730,6 +1730,8 @@ Garbage collection happens automatically if you cons more than\n\
   if (garbage_collection_messages)
     message1_nolog ("Garbage collecting...");
 
+  shrink_regexp_cache ();
+
   /* Don't keep undo information around forever.  */
   {
     register struct buffer *nextb = all_buffers;