diff --git a/src/c/array.d b/src/c/array.d
index 49386b7e7..dc50a39d3 100644
--- a/src/c/array.d
+++ b/src/c/array.d
@@ -41,7 +41,7 @@ static const cl_index ecl_aet_size[] = {
   sizeof(ecl_int64_t),
 #endif
 #ifdef ECL_UNICODE
-  sizeof(cl_object),          /* aet_ch */
+  sizeof(ecl_character),      /* aet_ch */
 #endif
   sizeof(unsigned char)       /* aet_bc */
 };