diff --git a/pw_thread_freertos/thread.cc b/pw_thread_freertos/thread.cc
index d516b65c5..740f46fa2 100644
--- a/pw_thread_freertos/thread.cc
+++ b/pw_thread_freertos/thread.cc
@@ -49,7 +49,8 @@ void Context::ThreadEntryPoint(void* void_context_ptr) {
     // If the thread handle was detached before the thread finished execution,
     // i.e. got here, then we are responsible for cleaning up the join event
     // group.
-    vEventGroupDelete(&context.join_event_group());
+    vEventGroupDelete(
+        reinterpret_cast<EventGroupHandle_t>(&context.join_event_group()));
 #endif  // PW_THREAD_JOINING_ENABLED
 
 #if PW_THREAD_FREERTOS_CONFIG_DYNAMIC_ALLOCATION_ENABLED
@@ -72,7 +73,9 @@ void Context::ThreadEntryPoint(void* void_context_ptr) {
   xTaskResumeAll();
 
 #if PW_THREAD_JOINING_ENABLED
-  xEventGroupSetBits(&context.join_event_group(), kThreadDoneBit);
+  xEventGroupSetBits(
+      reinterpret_cast<EventGroupHandle_t>(&context.join_event_group()),
+      kThreadDoneBit);
 #endif  // PW_THREAD_JOINING_ENABLED
 
   while (true) {
@@ -97,7 +100,8 @@ void Context::TerminateThread(Context& context) {
 #if PW_THREAD_JOINING_ENABLED
   // Just in case someone abused our API, ensure their use of the event group is
   // properly handled by the kernel regardless.
-  vEventGroupDelete(&context.join_event_group());
+  vEventGroupDelete(
+      reinterpret_cast<EventGroupHandle_t>(&context.join_event_group()));
 #endif  // PW_THREAD_JOINING_ENABLED
 
 #if PW_THREAD_FREERTOS_CONFIG_DYNAMIC_ALLOCATION_ENABLED
@@ -225,7 +229,8 @@ void Thread::join() {
   PW_CHECK(this_thread::get_id() != get_id());
 
   // Wait indefinitely until kThreadDoneBit is set.
-  while (xEventGroupWaitBits(&native_type_->join_event_group(),
+  while (xEventGroupWaitBits(reinterpret_cast<EventGroupHandle_t>(
+                                 &native_type_->join_event_group()),
                              kThreadDoneBit,
                              pdTRUE,   // Clear the bits.
                              pdFALSE,  // Any bits is fine, N/A.