diff --git a/include/light/ltface.hh b/include/light/ltface.hh
index 541bbe67..f8ce9d07 100644
--- a/include/light/ltface.hh
+++ b/include/light/ltface.hh
@@ -82,3 +82,8 @@ void SetupDirt(globalconfig_t &cfg);
 float DirtAtPoint(const globalconfig_t &cfg, raystream_intersection_t *rs, const qvec3d &point, const qvec3d &normal,
     const modelinfo_t *selfshadow);
 void LightFace(const mbsp_t *bsp, mface_t *face, facesup_t *facesup, const globalconfig_t &cfg);
+
+inline qmat4x4f TexSpaceToWorld(const mbsp_t *bsp, const mface_t *f)
+{
+    return qv::inverse(WorldToTexSpace(bsp, f));
+}
\ No newline at end of file
diff --git a/light/ltface.cc b/light/ltface.cc
index 2ed72976..3f830b91 100644
--- a/light/ltface.cc
+++ b/light/ltface.cc
@@ -219,11 +219,6 @@ qmat4x4f WorldToTexSpace(const mbsp_t *bsp, const mface_t *f)
     return T;
 }
 
-inline qmat4x4f TexSpaceToWorld(const mbsp_t *bsp, const mface_t *f)
-{
-    return qv::inverse(WorldToTexSpace(bsp, f));
-}
-
 constexpr qvec3d TexCoordToWorld(vec_t s, vec_t t, const texorg_t *texorg)
 {
     return (texorg->texSpaceToWorld * qvec4f(s, t, /* one "unit" in front of surface */ 1.0, 1.0)).xyz();