diff --git a/include/armadillo_bits/fn_normalise.hpp b/include/armadillo_bits/fn_normalise.hpp
index a616e14f..67bb4fb9 100644
--- a/include/armadillo_bits/fn_normalise.hpp
+++ b/include/armadillo_bits/fn_normalise.hpp
@@ -99,7 +99,7 @@ arma_inline
 typename
 enable_if2
   <
-  is_blas_type<T>::value,
+  is_non_integral<T>::value,
   Col<T>
   >::result
 normalise(const T& val)