1 files changed, 1 insertions, 0 deletions

diff --git a/packages/base/src/Internal/Container.hs b/packages/base/src/Internal/Container.hs
index 1c158ff..8926fac 100644
--- a/packages/base/src/Internal/Container.hs
+++ b/packages/base/src/Internal/Container.hs
@@ -245,6 +245,7 @@ class ( Container Vector t
       , Container Matrix t
       , Konst t Int Vector
       , Konst t (Int,Int) Matrix
+      , CTrans t
       , Product t
       ) => Numeric t