diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5bdfe21f9..6e4a67175 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,7 @@ endif()
 project(obs-studio)
 
 option(BUILD_CAPTIONS "Build captions" FALSE)
+option(DEBUG_FFMPEG_MUX "Debug FFmpeg muxer subprocess" FALSE)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
diff --git a/libobs/CMakeLists.txt b/libobs/CMakeLists.txt
index 3702875e8..9a58322f9 100644
--- a/libobs/CMakeLists.txt
+++ b/libobs/CMakeLists.txt
@@ -11,6 +11,10 @@ if (NOT "${FFMPEG_AVCODEC_LIBRARIES}" STREQUAL "")
 	list(REMOVE_ITEM FFMPEG_LIBRARIES ${FFMPEG_AVCODEC_LIBRARIES})
 endif()
 
+if(DEBUG_FFMPEG_MUX)
+	add_definitions(-DSHOW_SUBPROCESSES)
+endif()
+
 if(UNIX)
 	if (NOT APPLE)
 		find_package(X11 REQUIRED)
diff --git a/libobs/util/pipe-windows.c b/libobs/util/pipe-windows.c
index ad8247987..18c177911 100644
--- a/libobs/util/pipe-windows.c
+++ b/libobs/util/pipe-windows.c
@@ -57,11 +57,15 @@ static inline bool create_process(const char *cmd_line, HANDLE stdin_handle,
 	si.hStdOutput = stdout_handle;
 	si.hStdError = stderr_handle;
 
+	DWORD flags = 0;
+#ifndef SHOW_SUBPROCESSES
+	flags = CREATE_NO_WINDOW;
+#endif
+
 	os_utf8_to_wcs_ptr(cmd_line, 0, &cmd_line_w);
 	if (cmd_line_w) {
 		success = !!CreateProcessW(NULL, cmd_line_w, NULL, NULL, true,
-					   CREATE_NO_WINDOW, NULL, NULL, &si,
-					   &pi);
+					   flags, NULL, NULL, &si, &pi);
 
 		if (success) {
 			*process = pi.hProcess;
diff --git a/plugins/obs-ffmpeg/ffmpeg-mux/CMakeLists.txt b/plugins/obs-ffmpeg/ffmpeg-mux/CMakeLists.txt
index 2f91e09b2..754a1ab58 100644
--- a/plugins/obs-ffmpeg/ffmpeg-mux/CMakeLists.txt
+++ b/plugins/obs-ffmpeg/ffmpeg-mux/CMakeLists.txt
@@ -1,5 +1,9 @@
 project(obs-ffmpeg-mux)
 
+if(DEBUG_FFMPEG_MUX)
+	add_definitions(-DDEBUG_FFMPEG)
+endif()
+
 find_package(FFmpeg REQUIRED
 	COMPONENTS avcodec avutil avformat)
 include_directories(${FFMPEG_INCLUDE_DIRS})