diff --git a/src/util/config/config.cpp b/src/util/config/config.cpp
index 30a9d3725d79..e973758180a7 100644
--- a/src/util/config/config.cpp
+++ b/src/util/config/config.cpp
@@ -465,11 +465,13 @@ namespace dxvk {
      * and will report/use bad amounts of VRAM.
      * Disabling support for DF texture formats
      * makes the game use a better looking render
-     * path for mirrors                           */
+     * path for mirrors.
+     * Also runs into issues after alt-tabbing.   */
     { R"(\\(GTAIV|EFLC)\.exe$)", {{
       { "d3d9.customVendorId",              "1002" },
       { "dxgi.emulateUMA",                  "True" },
       { "d3d9.supportDFFormats",            "False" },
+      { "d3d9.deviceLost",                  "True" },
     }} },
     /* Battlefield 2 (bad z-pass)                 */
     { R"(\\BF2\.exe$)", {{
@@ -747,6 +749,11 @@ namespace dxvk {
     { R"(\\(PANZERS|PANZERS_Phase_2)\.exe$)", {{
       { "d3d9.enableDialogMode",         "True"   },
     }} },
+    /* DC Universe Online                      *
+     * Freezes after alt tabbing               */
+    { R"(\\DCGAME\.EXE$)", {{
+      { "d3d9.deviceLost",              "True"   },
+    }} },
     
     /**********************************************/
     /* D3D12 GAMES (vkd3d-proton with dxvk dxgi)  */