diff --git a/std/algorithm.d b/std/algorithm.d
index f90acf1d2..fd0a57e15 100644
--- a/std/algorithm.d
+++ b/std/algorithm.d
@@ -1898,7 +1898,7 @@ void swapFront(R1, R2)(R1 r1, R2 r2)
 // splitter
 /**
 Splits a range using an element as a separator. This can be used with
-any range type, but is most popular with string types.
+any sliceable range type, but is most popular with string types.
 
 Two adjacent separators are considered to surround an empty element in
 the split range.
@@ -2138,10 +2138,11 @@ unittest
 
 /**
 Splits a range using another range as a separator. This can be used
-with any range type, but is most popular with string types.
+with any sliceable range type, but is most popular with string types.
  */
 auto splitter(Range, Separator)(Range r, Separator s)
-if (is(typeof(Range.init.front == Separator.init.front) : bool))
+if (is(typeof(Range.init.front == Separator.init.front) : bool)
+        && (hasSlicing!Range || isNarrowString!Range))
 {
     static struct Result
     {