diff --git a/nvbench/CMakeLists.txt b/nvbench/CMakeLists.txt
index a5e3cb2..af4ce5c 100644
--- a/nvbench/CMakeLists.txt
+++ b/nvbench/CMakeLists.txt
@@ -12,7 +12,7 @@ set(srcs
   int64_axis.cxx
   markdown_printer.cu
   named_values.cxx
-  option_parser.cxx
+  option_parser.cu
   printer_base.cxx
   printer_multiplex.cxx
   runner.cxx
diff --git a/nvbench/option_parser.cxx b/nvbench/option_parser.cu
similarity index 100%
rename from nvbench/option_parser.cxx
rename to nvbench/option_parser.cu