6 files changed, 30 insertions, 0 deletions
diff --git a/modules/gdnative/arvr/register_types.h b/modules/gdnative/arvr/register_types.h
index 815f112fbf..b0de6f7c14 100644
--- a/modules/gdnative/arvr/register_types.h
+++ b/modules/gdnative/arvr/register_types.h
@@ -28,5 +28,10 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
+#ifndef ARVR_REGISTER_TYPES_H
+#define ARVR_REGISTER_TYPES_H
+
 void register_arvr_types();
 void unregister_arvr_types();
+
+#endif // ARVR_REGISTER_TYPES_H
diff --git a/modules/gdnative/nativescript/register_types.h b/modules/gdnative/nativescript/register_types.h
index 8fcecb9836..088bf38dd5 100644
--- a/modules/gdnative/nativescript/register_types.h
+++ b/modules/gdnative/nativescript/register_types.h
@@ -28,5 +28,10 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
+#ifndef NATIVESCRIPT_REGISTER_TYPES_H
+#define NATIVESCRIPT_REGISTER_TYPES_H
+
 void register_nativescript_types();
 void unregister_nativescript_types();
+
+#endif // NATIVESCRIPT_REGISTER_TYPES_H
diff --git a/modules/gdnative/net/register_types.h b/modules/gdnative/net/register_types.h
index 526bc49deb..70b266f9b9 100644
--- a/modules/gdnative/net/register_types.h
+++ b/modules/gdnative/net/register_types.h
@@ -28,5 +28,10 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
+#ifndef NET_REGISTER_TYPES_H
+#define NET_REGISTER_TYPES_H
+
 void register_net_types();
 void unregister_net_types();
+
+#endif // NET_REGISTER_TYPES_H
diff --git a/modules/gdnative/pluginscript/register_types.h b/modules/gdnative/pluginscript/register_types.h
index a4f7284b54..c6a64b4f40 100644
--- a/modules/gdnative/pluginscript/register_types.h
+++ b/modules/gdnative/pluginscript/register_types.h
@@ -28,5 +28,10 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
+#ifndef PLUGINSCRIPT_REGISTER_TYPES_H
+#define PLUGINSCRIPT_REGISTER_TYPES_H
+
 void register_pluginscript_types();
 void unregister_pluginscript_types();
+
+#endif // PLUGINSCRIPT_REGISTER_TYPES_H
diff --git a/modules/gdnative/register_types.h b/modules/gdnative/register_types.h
index 0091ef3f96..b5c182f8b7 100644
--- a/modules/gdnative/register_types.h
+++ b/modules/gdnative/register_types.h
@@ -28,5 +28,10 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
+#ifndef GDNATIVE_REGISTER_TYPES_H
+#define GDNATIVE_REGISTER_TYPES_H
+
 void register_gdnative_types();
 void unregister_gdnative_types();
+
+#endif // GDNATIVE_REGISTER_TYPES_H
diff --git a/modules/gdnative/videodecoder/register_types.h b/modules/gdnative/videodecoder/register_types.h
index d81d5c497b..b1a83d4071 100644
--- a/modules/gdnative/videodecoder/register_types.h
+++ b/modules/gdnative/videodecoder/register_types.h
@@ -28,5 +28,10 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
+#ifndef VIDEODECODER_REGISTER_TYPES_H
+#define VIDEODECODER_REGISTER_TYPES_H
+
 void register_videodecoder_types();
 void unregister_videodecoder_types();
+
+#endif // VIDEODECODER_REGISTER_TYPES_H