1 files changed, 1 insertions, 1 deletions
diff --git a/generic/Transfo.c b/generic/Transfo.c
index d9cee9f..cbe10bb 100644
--- a/generic/Transfo.c
+++ b/generic/Transfo.c
@@ -240,7 +240,7 @@ ZnTransfoCompose(ZnTransfo      *res,
     }
   }
   else if (t2 == NULL) {
-    if (res != t2) {
+    if (res != t1) {
       *res = *t1;
     }
   }