diff --git a/src/spiffs_nucleus.c b/src/spiffs_nucleus.c
index 88ab4d0..eae3ed7 100644
--- a/src/spiffs_nucleus.c
+++ b/src/spiffs_nucleus.c
@@ -1402,7 +1402,8 @@ s32_t spiffs_object_truncate(
   s32_t res = SPIFFS_OK;
   spiffs *fs = fd->fs;
 
-  res = spiffs_gc_check(fs, remove ? 0 : SPIFFS_DATA_PAGE_SIZE(fs));
+  // need 2 pages if not removing: object index page + possibly chopped data page
+  res = spiffs_gc_check(fs, remove ? 0 : SPIFFS_DATA_PAGE_SIZE(fs) * 2);
   SPIFFS_CHECK_RES(res);
 
   spiffs_page_ix objix_pix = fd->objix_hdr_pix;