diff --git a/BUILD.gn b/BUILD.gn
index 61e64b57b6..fdc52e82a4 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1260,7 +1260,7 @@ source_set("tint_unittests_hlsl_writer_src") {
     "src/writer/hlsl/generator_impl_member_accessor_test.cc",
     "src/writer/hlsl/generator_impl_module_constant_test.cc",
     "src/writer/hlsl/generator_impl_return_test.cc",
-    "src/writer/hlsl/generator_impl_sanitizer_tests.cc",
+    "src/writer/hlsl/generator_impl_sanitizer_test.cc",
     "src/writer/hlsl/generator_impl_switch_test.cc",
     "src/writer/hlsl/generator_impl_test.cc",
     "src/writer/hlsl/generator_impl_type_test.cc",
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 885d0bd33b..cc188ecdbf 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -779,7 +779,7 @@ if(${TINT_BUILD_TESTS})
       writer/hlsl/generator_impl_member_accessor_test.cc
       writer/hlsl/generator_impl_module_constant_test.cc
       writer/hlsl/generator_impl_return_test.cc
-      writer/hlsl/generator_impl_sanitizer_tests.cc
+      writer/hlsl/generator_impl_sanitizer_test.cc
       writer/hlsl/generator_impl_switch_test.cc
       writer/hlsl/generator_impl_test.cc
       writer/hlsl/generator_impl_type_test.cc
diff --git a/src/writer/hlsl/generator_impl_sanitizer_tests.cc b/src/writer/hlsl/generator_impl_sanitizer_test.cc
similarity index 100%
rename from src/writer/hlsl/generator_impl_sanitizer_tests.cc
rename to src/writer/hlsl/generator_impl_sanitizer_test.cc