diff --git a/src/os_unix.c b/src/os_unix.c
index 18c766d..07762f4 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -4522,7 +4522,10 @@
     // restore curwin/curbuf and a few other things
     aucmd_restbuf(&aco);
 
-    wait_return(TRUE);
+    // only require pressing Enter when redrawing, to avoid that system() gets
+    // the hit-enter prompt even though it didn't output anything.
+    if (!RedrawingDisabled)
+	wait_return(TRUE);
     do_buffer(DOBUF_WIPE, DOBUF_FIRST, FORWARD, buf->b_fnum, TRUE);
 
 theend:
diff --git a/src/version.c b/src/version.c
index c0a0315..9e682a5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    100,
+/**/
     99,
 /**/
     98,