diff --git a/src/main/target/common_post.h b/src/main/target/common_post.h
index 58a1f4fc4f..6cef361b99 100644
--- a/src/main/target/common_post.h
+++ b/src/main/target/common_post.h
@@ -29,3 +29,9 @@
 # undef USE_DASHBOARD
 # undef USE_OLED_UG2864
 #endif
+
+// Enable MSP_DISPLAYPORT for F3 targets without builtin OSD,
+// since it's used to display CMS on MWOSD
+#if !defined(USE_MSP_DISPLAYPORT) && (FLASH_SIZE > 128) && !defined(USE_OSD)
+#define USE_MSP_DISPLAYPORT
+#endif