diff --git a/util/cairo-script/cairo-script-operators.c b/util/cairo-script/cairo-script-operators.c
index 28cc73133..2560c5ca9 100644
--- a/util/cairo-script/cairo-script-operators.c
+++ b/util/cairo-script/cairo-script-operators.c
@@ -3015,6 +3015,12 @@ _new_sub_path (csi_t *ctx)
     return _do_cairo_op (ctx, cairo_new_sub_path);
 }
 
+static csi_status_t
+_null (csi_t *ctx)
+{
+    return _csi_push_ostack_null (ctx);
+}
+
 static csi_status_t
 _mask (csi_t *ctx)
 {
@@ -5536,7 +5542,7 @@ _defs[] = {
     { "new_path", _new_path },
     { "new_sub_path", _new_sub_path },
     { "not", _not },
-    { "null", NULL },
+    { "null", _null },
     { "or", _or },
     { "paint", _paint },
     { "paint_with_alpha", _paint_with_alpha },
diff --git a/util/cairo-script/cairo-script-private.h b/util/cairo-script/cairo-script-private.h
index c4b2ea2ff..09d079324 100644
--- a/util/cairo-script/cairo-script-private.h
+++ b/util/cairo-script/cairo-script-private.h
@@ -873,6 +873,13 @@ _csi_push_ostack_mark (csi_t *ctx)
     return _csi_stack_push (ctx, &ctx->ostack, &obj);
 }
 static inline csi_status_t
+_csi_push_ostack_null (csi_t *ctx)
+{
+    csi_object_t obj;
+    obj.type = CSI_OBJECT_TYPE_NULL;
+    return _csi_stack_push (ctx, &ctx->ostack, &obj);
+}
+static inline csi_status_t
 _csi_push_ostack_real (csi_t *ctx, csi_real_t v)
 {
     csi_object_t obj;