diff --git a/Src/Base/AMReX_Algorithm.H b/Src/Base/AMReX_Algorithm.H
index 12a8a08341a..f1397d2bca4 100644
--- a/Src/Base/AMReX_Algorithm.H
+++ b/Src/Base/AMReX_Algorithm.H
@@ -208,7 +208,9 @@ namespace amrex
 #endif
     }
 
-    template<typename ItType, typename ValType>
+    template<typename ItType, typename ValType,
+        typename std::enable_if<std::is_floating_point<typename ItType::value_type>::value,int>::type = 0,
+        typename std::enable_if<std::is_floating_point<ValType>::value,int>::type = 0>
     AMREX_GPU_HOST_DEVICE
     void linspace (ItType first, const ItType& last, const ValType& start, const ValType& stop)
     {