diff --git a/pjsip-apps/src/pjsua/ios/ipjsua.xcodeproj/xcshareddata/xcschemes/ipjsua.xcscheme b/pjsip-apps/src/pjsua/ios/ipjsua.xcodeproj/xcshareddata/xcschemes/ipjsua.xcscheme
index 13c8c0358..9a4d72229 100644
--- a/pjsip-apps/src/pjsua/ios/ipjsua.xcodeproj/xcshareddata/xcschemes/ipjsua.xcscheme
+++ b/pjsip-apps/src/pjsua/ios/ipjsua.xcodeproj/xcshareddata/xcschemes/ipjsua.xcscheme
@@ -48,6 +48,7 @@
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
       allowLocationSimulation = "YES">
       <BuildableProductRunnable
          runnableDebuggingMode = "0">