diff --git a/plugins/obs-outputs/flv-mux.c b/plugins/obs-outputs/flv-mux.c
index 7b28512530e50d..f9eacbfdb972aa 100644
--- a/plugins/obs-outputs/flv-mux.c
+++ b/plugins/obs-outputs/flv-mux.c
@@ -15,6 +15,10 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
 
+#ifdef _MSC_VER
+#define WIN32_LEAN_AND_MEAN
+#endif
+
 #include <obs.h>
 #include <stdio.h>
 #include <util/dstr.h>
diff --git a/plugins/obs-outputs/ftl-stream.c b/plugins/obs-outputs/ftl-stream.c
index 99d6e95c491c2e..b4323c59d3e7cf 100644
--- a/plugins/obs-outputs/ftl-stream.c
+++ b/plugins/obs-outputs/ftl-stream.c
@@ -15,6 +15,10 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
 
+#ifdef _MSC_VER
+#define WIN32_LEAN_AND_MEAN
+#endif
+
 #include <obs-module.h>
 #include <obs-avc.h>
 #include <util/platform.h>
diff --git a/plugins/obs-outputs/obs-outputs.c b/plugins/obs-outputs/obs-outputs.c
index 31534cbd3f04f4..72b848c4b82a6d 100644
--- a/plugins/obs-outputs/obs-outputs.c
+++ b/plugins/obs-outputs/obs-outputs.c
@@ -1,3 +1,7 @@
+#ifdef _MSC_VER
+#define WIN32_LEAN_AND_MEAN
+#endif
+
 #include <obs-module.h>
 
 #include "obs-outputs-config.h"
diff --git a/plugins/obs-outputs/rtmp-stream.c b/plugins/obs-outputs/rtmp-stream.c
index 18cb18cd03a82b..7943f1ea59ae1a 100644
--- a/plugins/obs-outputs/rtmp-stream.c
+++ b/plugins/obs-outputs/rtmp-stream.c
@@ -15,6 +15,10 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
 
+#ifdef _MSC_VER
+#define WIN32_LEAN_AND_MEAN
+#endif
+
 #include "rtmp-stream.h"
 
 #ifndef SEC_TO_NSEC
diff --git a/plugins/obs-outputs/rtmp-windows.c b/plugins/obs-outputs/rtmp-windows.c
index 3b794fa099214a..30c0ed5e9068fe 100644
--- a/plugins/obs-outputs/rtmp-windows.c
+++ b/plugins/obs-outputs/rtmp-windows.c
@@ -1,3 +1,7 @@
+#ifdef _MSC_VER
+#define WIN32_LEAN_AND_MEAN
+#endif
+
 #ifdef _WIN32
 #include "rtmp-stream.h"
 #include <winsock2.h>