diff --git a/firmware/application/event_m0.cpp b/firmware/application/event_m0.cpp
index 6f291dd3..d40d60a9 100644
--- a/firmware/application/event_m0.cpp
+++ b/firmware/application/event_m0.cpp
@@ -322,14 +322,7 @@ void EventDispatcher::event_bubble_encoder(const ui::EncoderEvent event) {
 }
 
 void EventDispatcher::init_message_queues() {
-	shared_memory.baseband_message = nullptr;
-	new (&shared_memory.application_queue) MessageQueue(
-		shared_memory.application_queue_data, SharedMemory::application_queue_k
-	);
-	new (&shared_memory.app_local_queue) MessageQueue(
-		shared_memory.app_local_queue_data, SharedMemory::app_local_queue_k
-	);
-	shared_memory.m4_panic_msg[0] = 0;
+	new (&shared_memory) SharedMemory;
 }
 
 MessageHandlerRegistration::MessageHandlerRegistration(
diff --git a/firmware/common/portapack_shared_memory.hpp b/firmware/common/portapack_shared_memory.hpp
index 3ef6ec98..a509473e 100644
--- a/firmware/common/portapack_shared_memory.hpp
+++ b/firmware/common/portapack_shared_memory.hpp
@@ -36,17 +36,17 @@ struct SharedMemory {
 	static constexpr size_t application_queue_k = 11;
 	static constexpr size_t app_local_queue_k = 11;
 
-	uint8_t application_queue_data[1 << application_queue_k];
-	uint8_t app_local_queue_data[1 << app_local_queue_k];
-	const Message* volatile baseband_message;
-	MessageQueue application_queue;
-	MessageQueue app_local_queue;
 
 	// TODO: M0 should directly configure and control DMA channel that is
 	// acquiring ADC samples.
 	TouchADCFrame touch_adc_frame;
+	uint8_t application_queue_data[1 << application_queue_k] { 0 };
+	uint8_t app_local_queue_data[1 << app_local_queue_k] { 0 };
+	const Message* volatile baseband_message { nullptr };
+	MessageQueue application_queue { application_queue_data, application_queue_k };
+	MessageQueue app_local_queue { app_local_queue_data, app_local_queue_k };
 
-	char m4_panic_msg[32];
+	char m4_panic_msg[32] { 0 };
 };
 
 extern SharedMemory& shared_memory;