1 files changed, 1 insertions, 1 deletions

diff --git a/src/textprop.c b/src/textprop.c
index bf23f6a34aa..62e9446426e 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -1311,7 +1311,7 @@ set_text_properties (start, end, properties, object, signal_after_change_p)
       if (! STRING_INTERVALS (object))
         return Qt;
 
-      STRING_INTERVALS (object) = 0;
+      STRING_SET_INTERVALS (object, NULL_INTERVAL);
       return Qt;
     }