diff --git a/data/GServer.interface b/data/GServer.interface
index c8b4a2b..88a4e12 100644
--- a/data/GServer.interface
+++ b/data/GServer.interface
@@ -26,6 +26,9 @@ arg1=INT32
 arg2=INT32
 arg3=INT32
 
+[call::glDepthFunc]
+arg1=UINT32
+
 [call::glDisable]
 arg1=UINT32
 
diff --git a/include/GServer/video.h b/include/GServer/video.h
index df00964..07dcb33 100644
--- a/include/GServer/video.h
+++ b/include/GServer/video.h
@@ -64,7 +64,8 @@ typedef enum _GServerVideoProto1i
 
 typedef enum _GServerVideoProto1u
 {
-	GSERVER_VIDEO_PROTO1u_glDisable = 0,
+	GSERVER_VIDEO_PROTO1u_glDepthFunc = 0,
+	GSERVER_VIDEO_PROTO1u_glDisable,
 	GSERVER_VIDEO_PROTO1u_glDisableClientState,
 	GSERVER_VIDEO_PROTO1u_glEnable,
 	GSERVER_VIDEO_PROTO1u_glEnableClientState,
diff --git a/src/gserver.c b/src/gserver.c
index 704afbe..c9f2084 100644
--- a/src/gserver.c
+++ b/src/gserver.c
@@ -366,6 +366,7 @@ GSERVER_PROTO1i(void, glBegin, uint32_t)
 GSERVER_PROTO1i(void, glClear, uint32_t)
 
 /* proto1u */
+GSERVER_PROTO1u(void, glDepthFunc, uint32_t)
 GSERVER_PROTO1u(void, glDisable, uint32_t)
 GSERVER_PROTO1u(void, glDisableClientState, uint32_t)
 GSERVER_PROTO1u(void, glEnable, uint32_t)