diff --git a/build/config/AppleTVSimulator b/build/config/AppleTVSimulator
index 211b34c31..a8659a2ca 100644
--- a/build/config/AppleTVSimulator
+++ b/build/config/AppleTVSimulator
@@ -8,6 +8,6 @@
 
 TVOS_SDK           = AppleTVSimulator
 POCO_TARGET_OSARCH = x86_64
-OSFLAGS            = -arch $(POCO_TARGET_OSARCH) -isysroot $(TVOS_SDK_BASE) -mtvos-simulator-version-min=$(TVOS_SDK_VERSION_MIN)
+OSFLAGS            = -arch $(POCO_TARGET_OSARCH) -isysroot $(TVOS_SDK_BASE) -mtvos-simulator-version-min=$(TVOS_SDK_VERSION_MIN) -fembed-bitcode
 
 include $(POCO_BASE)/build/config/AppleTV
diff --git a/build/config/WatchSimulator b/build/config/WatchSimulator
index 3e296ac20..b264e4c9a 100644
--- a/build/config/WatchSimulator
+++ b/build/config/WatchSimulator
@@ -8,6 +8,6 @@
 
 WATCHOS_SDK        = WatchSimulator
 POCO_TARGET_OSARCH = i386
-OSFLAGS            = -arch $(POCO_TARGET_OSARCH) -isysroot $(WATCHOS_SDK_BASE) -mwatchos-simulator-version-min=$(WATCHOS_SDK_VERSION_MIN)
+OSFLAGS            = -arch $(POCO_TARGET_OSARCH) -isysroot $(WATCHOS_SDK_BASE) -mwatchos-simulator-version-min=$(WATCHOS_SDK_VERSION_MIN) -fembed-bitcode
 
 include $(POCO_BASE)/build/config/WatchOS