diff --git a/src/d3d9/d3d9_device.cpp b/src/d3d9/d3d9_device.cpp
index 01bbe64ab5..77ae99d309 100644
--- a/src/d3d9/d3d9_device.cpp
+++ b/src/d3d9/d3d9_device.cpp
@@ -4522,7 +4522,7 @@ namespace dxvk {
     uint32_t pending = m_dxvkDevice->pendingSubmissions();
 
     if (StrongHint || pending <= MaxPendingSubmits) {
-      auto now = std::chrono::high_resolution_clock::now();
+      auto now = dxvk::high_resolution_clock::now();
 
       uint32_t delay = MinFlushIntervalUs
                      + IncFlushIntervalUs * pending;
@@ -4828,7 +4828,7 @@ namespace dxvk {
       FlushCsChunk();
 
       // Reset flush timer used for implicit flushes
-      m_lastFlush = std::chrono::high_resolution_clock::now();
+      m_lastFlush = dxvk::high_resolution_clock::now();
       m_csIsBusy = false;
     }
   }
diff --git a/src/d3d9/d3d9_device.h b/src/d3d9/d3d9_device.h
index 20cc9ada2b..329aa345fe 100644
--- a/src/d3d9/d3d9_device.h
+++ b/src/d3d9/d3d9_device.h
@@ -863,8 +863,8 @@ namespace dxvk {
 
     Rc<DxvkDataBuffer>              m_updateBuffer;
     DxvkCsChunkPool                 m_csChunkPool;
-    std::chrono::high_resolution_clock::time_point m_lastFlush
-      = std::chrono::high_resolution_clock::now();
+    dxvk::high_resolution_clock::time_point m_lastFlush
+      = dxvk::high_resolution_clock::now();
     DxvkCsThread                    m_csThread;
     bool                            m_csIsBusy = false;
 
diff --git a/src/d3d9/d3d9_swapchain.cpp b/src/d3d9/d3d9_swapchain.cpp
index b7e7ad0cc3..af05e58a76 100644
--- a/src/d3d9/d3d9_swapchain.cpp
+++ b/src/d3d9/d3d9_swapchain.cpp
@@ -181,7 +181,7 @@ namespace dxvk {
     uint32_t scanLineCount = mode.Height + vBlankLineCount;
 
     auto nowUs = std::chrono::time_point_cast<std::chrono::microseconds>(
-      std::chrono::high_resolution_clock::now())
+      dxvk::high_resolution_clock::now())
       .time_since_epoch();
 
     auto frametimeUs = std::chrono::microseconds(1000000u / mode.RefreshRate);