diff --git a/src/vt-tv/render/render.cc b/src/vt-tv/render/render.cc
index 00de68434..26487097d 100644
--- a/src/vt-tv/render/render.cc
+++ b/src/vt-tv/render/render.cc
@@ -49,7 +49,7 @@
 
 // using namespace nb::literals;
 
-namespace vt { namespace tv {
+namespace vt::tv {
 
 Render::Render(Info in_info)
   : info_(in_info) // std:move ?
@@ -1068,4 +1068,4 @@ void Render::generate(uint64_t font_size, uint64_t win_size) {
   }
 }
 
-}} // namespace vt::tv
+} // namespace vt::tv
diff --git a/src/vt-tv/render/render.h b/src/vt-tv/render/render.h
index 15dc8a212..4c967d617 100644
--- a/src/vt-tv/render/render.h
+++ b/src/vt-tv/render/render.h
@@ -98,7 +98,7 @@
 #include <variant>
 #include <cmath>
 
-namespace vt { namespace tv {
+namespace vt::tv {
 
 /**
  * \struct Render
@@ -284,6 +284,6 @@ struct Render {
   void generate(uint64_t font_size = 50, uint64_t win_size = 2000);
 };
 
-}} /* end namespace vt::tv */
+} /* end namespace vt::tv */
 
 #endif /*INCLUDED_VT_TV_RENDER_RENDER_H*/