diff --git a/src/buffer.c b/src/buffer.c
index 9856898..4016822 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -4617,6 +4617,8 @@
 #endif
 	if (vim_strchr(STL_ALL, *s) == NULL)
 	{
+	    if (*s == NUL)  // can happen with "%0"
+		break;
 	    s++;
 	    continue;
 	}
diff --git a/src/testdir/test_statusline.vim b/src/testdir/test_statusline.vim
index a829597..23613bf 100644
--- a/src/testdir/test_statusline.vim
+++ b/src/testdir/test_statusline.vim
@@ -440,6 +440,13 @@
   set splitbelow&
 endfunc
 
+func Test_statusline_trailing_percent_zero()
+  " this was causing illegal memory access
+  set laststatus=2 stl=%!%0
+  call assert_fails('redraw', 'E15: Invalid expression: "%0"')
+  set laststatus& stl&
+endfunc
+
 func Test_statusline_visual()
   func CallWordcount()
     call wordcount()
diff --git a/src/version.c b/src/version.c
index df02bb8..4ccbd53 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1143,
+/**/
     1142,
 /**/
     1141,