1 files changed, 3 insertions, 2 deletions
diff --git a/libc/test/src/math/performance_testing/SingleInputSingleOutputPerf.h b/libc/test/src/math/performance_testing/SingleInputSingleOutputPerf.h
index b5b38313a69c..48ae43d6315e 100644
--- a/libc/test/src/math/performance_testing/SingleInputSingleOutputPerf.h
+++ b/libc/test/src/math/performance_testing/SingleInputSingleOutputPerf.h
@@ -7,11 +7,12 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/__support/FPUtil/FPBits.h"
+#include "src/__support/macros/config.h"
 #include "test/src/math/performance_testing/Timer.h"
 
 #include <fstream>
 
-namespace LIBC_NAMESPACE {
+namespace LIBC_NAMESPACE_DECL {
 namespace testing {
 
 template <typename T> class SingleInputSingleOutputPerf {
@@ -80,7 +81,7 @@ public:
 };
 
 } // namespace testing
-} // namespace LIBC_NAMESPACE
+} // namespace LIBC_NAMESPACE_DECL
 
 #define SINGLE_INPUT_SINGLE_OUTPUT_PERF(T, myFunc, otherFunc, filename)        \
   int main() {                                                                 \