diff --git a/test/corestrings.c b/test/corestrings.c
index aaa23e4d0..43eb5130e 100644
--- a/test/corestrings.c
+++ b/test/corestrings.c
@@ -40,7 +40,7 @@
  *
  * This is used to test all the out of memory paths in initialisation.
  */
-#define CORESTRING_TEST_COUNT 483
+#define CORESTRING_TEST_COUNT 487
 
 START_TEST(corestrings_test)
 {