diff --git a/source/windows/iocp/iocp_event_loop.c b/source/windows/iocp/iocp_event_loop.c
index 313344ab9..1d0801e4b 100644
--- a/source/windows/iocp/iocp_event_loop.c
+++ b/source/windows/iocp/iocp_event_loop.c
@@ -11,6 +11,7 @@
 #include <aws/common/thread.h>
 
 #include <aws/io/logging.h>
+#include <aws/io/private/event_loop_impl.h>
 
 #include <Windows.h>
 
diff --git a/source/windows/iocp/pipe.c b/source/windows/iocp/pipe.c
index 04145c679..a9e2185e5 100644
--- a/source/windows/iocp/pipe.c
+++ b/source/windows/iocp/pipe.c
@@ -7,6 +7,7 @@
 
 #include <aws/common/task_scheduler.h>
 #include <aws/io/event_loop.h>
+#include <aws/io/private/event_loop_impl.h>
 
 #include <stdbool.h>
 #include <stdio.h>
diff --git a/source/windows/iocp/socket.c b/source/windows/iocp/socket.c
index 755950f0c..7286bd6ba 100644
--- a/source/windows/iocp/socket.c
+++ b/source/windows/iocp/socket.c
@@ -26,6 +26,7 @@ below, clang-format doesn't work (at least on my version) with the c-style comme
 #include <aws/io/event_loop.h>
 #include <aws/io/logging.h>
 #include <aws/io/pipe.h>
+#include <aws/io/private/event_loop_impl.h>
 
 #include <aws/io/io.h>
 #include <errno.h>