diff --git a/src/library/plugin/plugin_api.c b/src/library/plugin/plugin_api.c
index b32e465..37d563c 100644
--- a/src/library/plugin/plugin_api.c
+++ b/src/library/plugin/plugin_api.c
@@ -2296,6 +2296,7 @@ static struct ApiFuncTemplate renderbillboard_functions[] = {
     BOLTFUNC(texturesize, renderbillboard),
     BOLTFUNC(texturecompare, renderbillboard),
     BOLTFUNC(texturedata, renderbillboard),
+    BOLTFUNC(modelmatrix, renderbillboard),
     BOLTFUNC(viewmatrix, renderbillboard),
     BOLTFUNC(projmatrix, renderbillboard),
     BOLTFUNC(viewprojmatrix, renderbillboard),