diff --git a/include/light/light.hh b/include/light/light.hh
index 6f08330b..97a73e05 100644
--- a/include/light/light.hh
+++ b/include/light/light.hh
@@ -118,7 +118,7 @@ typedef struct {
     vec3_t *points; // malloc'ed array of numpoints
     vec3_t *normals; // malloc'ed array of numpoints
     bool *occluded; // malloc'ed array of numpoints
-    int *realfacenums;
+    int *realfacenums; // malloc'ed array of numpoints
     
     /*
      raw ambient occlusion amount per sample point, 0-1, where 1 is
diff --git a/light/ltface.cc b/light/ltface.cc
index daf44247..afa1b90a 100644
--- a/light/ltface.cc
+++ b/light/ltface.cc
@@ -2584,6 +2584,7 @@ static void LightFaceShutdown(lightsurf_t *lightsurf)
     free(lightsurf->normals);
     free(lightsurf->occlusion);
     free(lightsurf->occluded);
+    free(lightsurf->realfacenums);
     
     delete lightsurf->stream;