diff --git a/src/d3d11/d3d11_device.cpp b/src/d3d11/d3d11_device.cpp
index aae90c82..6e97acec 100644
--- a/src/d3d11/d3d11_device.cpp
+++ b/src/d3d11/d3d11_device.cpp
@@ -1251,7 +1251,7 @@ namespace dxvk {
   
   
   HRESULT STDMETHODCALLTYPE D3D11Device::GetDeviceRemovedReason() {
-    static std::atomic<bool> s_errorShown = false;
+    static std::atomic<bool> s_errorShown = { false };
     
     if (!s_errorShown.exchange(true))
       Logger::warn("D3D11Device::GetDeviceRemovedReason: Stub");
diff --git a/src/dxgi/dxgi_output.cpp b/src/dxgi/dxgi_output.cpp
index da57e6de..a2a26dc2 100644
--- a/src/dxgi/dxgi_output.cpp
+++ b/src/dxgi/dxgi_output.cpp
@@ -55,8 +55,9 @@ namespace dxvk {
     if (pDesc == nullptr)
       return DXGI_ERROR_INVALID_CALL;
     
-    ::MONITORINFOEX monInfo = { sizeof(monInfo) };
-    
+    ::MONITORINFOEX monInfo;
+
+    monInfo.cbSize = sizeof(monInfo);
     if (!::GetMonitorInfo(m_monitor, &monInfo)) {
       Logger::err("DxgiOutput: Failed to query monitor info");
       return E_FAIL;
@@ -82,8 +83,9 @@ namespace dxvk {
       return DXGI_ERROR_INVALID_CALL;
     
     // Query monitor info to get the device name
-    ::MONITORINFOEX monInfo = { sizeof(monInfo) };
-    
+    ::MONITORINFOEX monInfo;
+
+    monInfo.cbSize = sizeof(monInfo);
     if (!::GetMonitorInfo(m_monitor, &monInfo)) {
       Logger::err("DxgiOutput: Failed to query monitor info");
       return E_FAIL;
diff --git a/tests/dxbc/test_dxbc_disasm.cpp b/tests/dxbc/test_dxbc_disasm.cpp
index 40cbbbce..57d621a8 100644
--- a/tests/dxbc/test_dxbc_disasm.cpp
+++ b/tests/dxbc/test_dxbc_disasm.cpp
@@ -1,5 +1,6 @@
 #include <cstring>
 #include <fstream>
+#include <vector>
 
 #include <d3dcompiler.h>
 
@@ -46,9 +47,7 @@ int WINAPI WinMain(HINSTANCE hInstance,
     return 1;
   }
   
-  std::string data;
-  data.resize(assembly->GetBufferSize());
-  std::memcpy(data.data(), assembly->GetBufferPointer(), data.size());
+  std::string data((const char *)assembly->GetBufferPointer(), assembly->GetBufferSize());
   std::cout << data;
   return 0;
 }
diff --git a/tests/dxbc/test_hlsl_compiler.cpp b/tests/dxbc/test_hlsl_compiler.cpp
index 8b9a204c..fc447e43 100644
--- a/tests/dxbc/test_hlsl_compiler.cpp
+++ b/tests/dxbc/test_hlsl_compiler.cpp
@@ -1,5 +1,6 @@
 #include <cstring>
 #include <fstream>
+#include <vector>
 
 #include <d3dcompiler.h>