diff --git a/projects/frontend/es-app/src/emulators/run/GameRunner.cpp b/projects/frontend/es-app/src/emulators/run/GameRunner.cpp
index d79a1eb8eaf2a97910c5f9fc43477addd3bb5d69..ba2256ac3e147bac023bdd1b313da7ef89ce6b6a 100644
--- a/projects/frontend/es-app/src/emulators/run/GameRunner.cpp
+++ b/projects/frontend/es-app/src/emulators/run/GameRunner.cpp
@@ -156,11 +156,11 @@ String GameRunner::CreateCommandLine(const FileData& game, const EmulatorData& e
   {
     // launch with a selected path in xxxxx-patches directory
     const String patchPathEscaped = data.Patch().PatchPath().MakeEscaped();
-    if (data.Patch().PatchPath().Extension() == ".ips")
+    if (data.Patch().PatchPath().Extension().ToLowerCaseUTF8() == ".ips")
       command.Append(" -ips ").Append(patchPathEscaped);
-    else if (data.Patch().PatchPath().Extension() == ".bps")
+    else if (data.Patch().PatchPath().Extension().ToLowerCaseUTF8() == ".bps")
       command.Append(" -bps ").Append(patchPathEscaped);
-    else if (data.Patch().PatchPath().Extension() == ".ups")
+    else if (data.Patch().PatchPath().Extension().ToLowerCaseUTF8() == ".ups")
       command.Append(" -ups ").Append(patchPathEscaped);
   }
   if(data.SuperGameBoy().ShouldEnable(game.System()))