1 files changed, 1 insertions, 0 deletions
diff --git a/src/H5Z.c b/src/H5Z.c
index 9340b46..ebe785e 100644
--- a/src/H5Z.c
+++ b/src/H5Z.c
@@ -213,6 +213,7 @@ H5Zregister(const H5Z_class_t *cls)
     herr_t      ret_value=SUCCEED;       /* Return value */
 
     FUNC_ENTER_API(H5Zregister, FAIL)
+    H5TRACE1("e","Zc",cls);
 
     /* Check args */
     if (cls==NULL)