diff --git a/src/d3d11/d3d11_device.cpp b/src/d3d11/d3d11_device.cpp
index b575f7ea6..376f06e69 100644
--- a/src/d3d11/d3d11_device.cpp
+++ b/src/d3d11/d3d11_device.cpp
@@ -1918,7 +1918,7 @@ namespace dxvk {
     enabled.vk12.samplerMirrorClampToEdge                         = VK_TRUE;
     enabled.vk12.timelineSemaphore                                = VK_TRUE;
 
-    enabled.vk13.shaderDemoteToHelperInvocation                   = supported.vk13.shaderDemoteToHelperInvocation;
+    enabled.vk13.shaderDemoteToHelperInvocation                   = VK_TRUE;
 
     enabled.extMemoryPriority.memoryPriority                      = supported.extMemoryPriority.memoryPriority;
 
diff --git a/src/d3d9/d3d9_device.cpp b/src/d3d9/d3d9_device.cpp
index 68ce10094..a55b0bad0 100644
--- a/src/d3d9/d3d9_device.cpp
+++ b/src/d3d9/d3d9_device.cpp
@@ -3894,7 +3894,7 @@ namespace dxvk {
 
     enabled.vk12.samplerMirrorClampToEdge = VK_TRUE;
 
-    enabled.vk13.shaderDemoteToHelperInvocation = supported.vk13.shaderDemoteToHelperInvocation;
+    enabled.vk13.shaderDemoteToHelperInvocation = VK_TRUE;
 
     enabled.extMemoryPriority.memoryPriority = supported.extMemoryPriority.memoryPriority;