diff --git a/source/containers.tex b/source/containers.tex
index 571b56d00d..db7c6a96e5 100644
--- a/source/containers.tex
+++ b/source/containers.tex
@@ -25919,9 +25919,9 @@
     .extent = @\exposid{canonical-index}@<IndexType>(std::move(s.offset)),
     .stride = @\exposid{canonical-index}@<IndexType>(std::move(s.stride))
   };
-} else if constexpr (@\exposid{is-range-slice}@<S>) {
-  auto c_first = canonical-index<IndexType>(std::move(s.first));
-  auto c_last  = canonical-index<IndexType>(std::move(s.last));
+} else if constexpr (@\exposconcept{is-range-slice}@<S>) {
+  auto c_first = @\exposid{canonical-index}@<IndexType>(std::move(s.first));
+  auto c_last  = @\exposid{canonical-index}@<IndexType>(std::move(s.last));
   return @\exposid{canonical-slice-range}@<IndexType>(
     c_first,
     @\exposid{canonical-index}@<IndexType>(c_last - c_first),