diff --git a/mobile/library/common/BUILD b/mobile/library/common/BUILD
index 0d449478c095..9969ada7b673 100644
--- a/mobile/library/common/BUILD
+++ b/mobile/library/common/BUILD
@@ -37,6 +37,7 @@ envoy_cc_library(
         "//library/common/types:c_types_lib",
         "@envoy//envoy/server:lifecycle_notifier_interface",
         "@envoy//envoy/stats:stats_interface",
+        "@envoy//source/common/runtime:runtime_lib",
         "@envoy_build_config//:extension_registry",
     ],
 )
diff --git a/mobile/library/common/engine.cc b/mobile/library/common/engine.cc
index bdb9b40055bf..b7e6e2e4a423 100644
--- a/mobile/library/common/engine.cc
+++ b/mobile/library/common/engine.cc
@@ -2,6 +2,7 @@
 
 #include "source/common/api/os_sys_calls_impl.h"
 #include "source/common/common/lock_guard.h"
+#include "source/common/runtime/runtime_features.h"
 
 #include "library/common/bridge/utility.h"
 #include "library/common/data/utility.h"
@@ -19,6 +20,11 @@ Engine::Engine(envoy_engine_callbacks callbacks, envoy_logger logger,
   // registry may lead to crashes at Engine shutdown. To be figured out as part of
   // https://github.com/envoyproxy/envoy-mobile/issues/332
   Envoy::Api::External::registerApi(std::string(envoy_event_tracker_api_name), &event_tracker_);
+  // Envoy Mobile always requires dfp_mixed_scheme for the TLS and cleartext DFP clusters.
+  // While dfp_mixed_scheme defaults to true, some environments force it to false (e.g. within
+  // Google), so we force it back to true in Envoy Mobile.
+  // TODO(abeyad): Remove once this is no longer needed.
+  Runtime::maybeSetRuntimeGuard("envoy.reloadable_features.dfp_mixed_scheme", true);
 }
 
 envoy_status_t Engine::run(const std::string config, const std::string log_level) {