diff --git a/src/client/refresh/gl1/gl1_lightmap.c b/src/client/refresh/gl1/gl1_lightmap.c
index 6a0f069b..d64948c9 100644
--- a/src/client/refresh/gl1/gl1_lightmap.c
+++ b/src/client/refresh/gl1/gl1_lightmap.c
@@ -196,6 +196,12 @@ LM_BuildPolygonFromSurface(model_t *currentmodel, msurface_t *fa)
 		t = DotProduct(vec, fa->texinfo->vecs[1]) + fa->texinfo->vecs[1][3];
 		t /= fa->texinfo->image->height;
 
+		if (fa->texinfo->flags & SURF_N64_UV)
+		{
+			s *= 0.5;
+			t *= 0.5;
+		}
+
 		VectorAdd(total, vec, total);
 		VectorCopy(vec, vert->pos);
 		vert->texCoord[0] = s;
diff --git a/src/client/refresh/gl3/gl3_lightmap.c b/src/client/refresh/gl3/gl3_lightmap.c
index 6e7ff445..720f2e3f 100644
--- a/src/client/refresh/gl3/gl3_lightmap.c
+++ b/src/client/refresh/gl3/gl3_lightmap.c
@@ -180,6 +180,12 @@ LM_BuildPolygonFromSurface(gl3model_t *currentmodel, msurface_t *fa)
 		t = DotProduct(vec, fa->texinfo->vecs[1]) + fa->texinfo->vecs[1][3];
 		t /= fa->texinfo->image->height;
 
+		if (fa->texinfo->flags & SURF_N64_UV)
+		{
+			s *= 0.5;
+			t *= 0.5;
+		}
+
 		VectorAdd(total, vec, total);
 		VectorCopy(vec, vert->pos);
 		vert->texCoord[0] = s;
diff --git a/src/client/refresh/gl4/gl4_lightmap.c b/src/client/refresh/gl4/gl4_lightmap.c
index 85058e47..3d444320 100644
--- a/src/client/refresh/gl4/gl4_lightmap.c
+++ b/src/client/refresh/gl4/gl4_lightmap.c
@@ -180,6 +180,12 @@ LM_BuildPolygonFromSurface(gl4model_t *currentmodel, msurface_t *fa)
 		t = DotProduct(vec, fa->texinfo->vecs[1]) + fa->texinfo->vecs[1][3];
 		t /= fa->texinfo->image->height;
 
+		if (fa->texinfo->flags & SURF_N64_UV)
+		{
+			s *= 0.5;
+			t *= 0.5;
+		}
+
 		VectorAdd(total, vec, total);
 		VectorCopy(vec, vert->pos);
 		vert->texCoord[0] = s;
diff --git a/src/client/refresh/vk/vk_lightmap.c b/src/client/refresh/vk/vk_lightmap.c
index 7e71c632..130c7a71 100644
--- a/src/client/refresh/vk/vk_lightmap.c
+++ b/src/client/refresh/vk/vk_lightmap.c
@@ -179,6 +179,12 @@ LM_BuildPolygonFromSurface(model_t *currentmodel, msurface_t *fa)
 		t = DotProduct(vec, fa->texinfo->vecs[1]) + fa->texinfo->vecs[1][3];
 		t /= fa->texinfo->image->height;
 
+		if (fa->texinfo->flags & SURF_N64_UV)
+		{
+			s *= 0.5;
+			t *= 0.5;
+		}
+
 		VectorAdd(total, vec, total);
 		VectorCopy(vec, vert->pos);
 		vert->texCoord[0] = s;