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diff --git a/compiler/vectorise/Vectorise/Exp.hs b/compiler/vectorise/Vectorise/Exp.hs
index d792fd6..862a760 100644 (file)
--- a/compiler/vectorise/Vectorise/Exp.hs
+++ b/compiler/vectorise/Vectorise/Exp.hs
@@ -176,8 +176,8 @@ vectScalarLam
        
 vectScalarLam args body
  = do scalars <- globalScalars
-      onlyIfV (all is_scalar_ty arg_tys
-               && is_scalar_ty res_ty
+      onlyIfV (all is_prim_ty arg_tys
+               && is_prim_ty res_ty
                && is_scalar (extendVarSetList scalars args) body
                && uses scalars body)
         $ do