diff --git a/src/d3d11/d3d11_context_def.cpp b/src/d3d11/d3d11_context_def.cpp
index 3127e054c..27fd6bb66 100644
--- a/src/d3d11/d3d11_context_def.cpp
+++ b/src/d3d11/d3d11_context_def.cpp
@@ -163,6 +163,9 @@ namespace dxvk {
           ID3D11CommandList   **ppCommandList) {
     D3D10DeviceLock lock = LockContext();
 
+    // Make writes to mapped buffers available
+    bit::sfence();
+
     // End all queries that were left active by the app
     FinalizeQueries();
 
diff --git a/src/d3d11/d3d11_context_imm.cpp b/src/d3d11/d3d11_context_imm.cpp
index 15005f40f..22dc8d994 100644
--- a/src/d3d11/d3d11_context_imm.cpp
+++ b/src/d3d11/d3d11_context_imm.cpp
@@ -1105,6 +1105,9 @@ namespace dxvk {
     if (!GetPendingCsChunks() && !hEvent)
       return;
 
+    // Make writes to mapped buffers available
+    bit::sfence();
+
     // Unbind unused resources
     ApplyDirtyNullBindings();