diff --git a/Mini vMac.xcodeproj/xcshareddata/xcschemes/Mac128K.xcscheme b/Mini vMac.xcodeproj/xcshareddata/xcschemes/Mac128K.xcscheme
index b521ee2..b6a16fa 100644
--- a/Mini vMac.xcodeproj/xcshareddata/xcschemes/Mac128K.xcscheme	
+++ b/Mini vMac.xcodeproj/xcshareddata/xcschemes/Mac128K.xcscheme	
@@ -31,7 +31,7 @@
       </Testables>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"
diff --git a/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacII-640x480.xcscheme b/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacII-640x480.xcscheme
index 83189da..fbf0e5c 100644
--- a/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacII-640x480.xcscheme	
+++ b/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacII-640x480.xcscheme	
@@ -31,7 +31,7 @@
       </Testables>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"
diff --git a/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacII.xcscheme b/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacII.xcscheme
index 8b63989..5c4c67b 100644
--- a/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacII.xcscheme	
+++ b/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacII.xcscheme	
@@ -31,7 +31,7 @@
       </Testables>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"
diff --git a/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacPlus4M.xcscheme b/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacPlus4M.xcscheme
index 6ad751a..f4b3a04 100644
--- a/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacPlus4M.xcscheme	
+++ b/Mini vMac.xcodeproj/xcshareddata/xcschemes/MacPlus4M.xcscheme	
@@ -31,7 +31,7 @@
       </Testables>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"
diff --git a/Mini vMac.xcodeproj/xcshareddata/xcschemes/Mini vMac.xcscheme b/Mini vMac.xcodeproj/xcshareddata/xcschemes/Mini vMac.xcscheme
index c6bf3cc..252c85c 100644
--- a/Mini vMac.xcodeproj/xcshareddata/xcschemes/Mini vMac.xcscheme	
+++ b/Mini vMac.xcodeproj/xcshareddata/xcschemes/Mini vMac.xcscheme	
@@ -40,7 +40,7 @@
       </Testables>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"