diff --git a/src/quickfix.c b/src/quickfix.c
index 031c6e7..fb1cb4e 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -6348,9 +6348,11 @@
 	    if (au_name != NULL)
 		apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name,
 						curbuf->b_fname, TRUE, curbuf);
-	    if (res > 0 && (eap->cmdidx == CMD_cexpr ||
-						eap->cmdidx == CMD_lexpr))
-		qf_jump(qi, 0, 0, eap->forceit);  /* display first error */
+	    if (res > 0 && (eap->cmdidx == CMD_cexpr
+						   || eap->cmdidx == CMD_lexpr)
+		    && qi == ll_get_or_alloc_list(curwin))
+		// Jump to the first error if autocmds didn't free the list.
+		qf_jump(qi, 0, 0, eap->forceit);
 	}
 	else
 	    EMSG(_("E777: String or List expected"));
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index eade52f..80f327d 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -3362,3 +3362,14 @@
     au!
   augroup END
 endfunc
+
+func Test_setloclist_in_aucmd()
+  " This was using freed memory.
+  augroup nasty
+    au * * call setloclist(0, [], 'f')
+  augroup END
+  lexpr "x"
+  augroup nasty
+    au!
+  augroup END
+endfunc
diff --git a/src/version.c b/src/version.c
index 6ce6780..36c57e2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    73,
+/**/
     72,
 /**/
     71,