diff --git a/src/hardware/r_opengl/r_opengl.c b/src/hardware/r_opengl/r_opengl.c
index d5366bf4d..d79be21ef 100644
--- a/src/hardware/r_opengl/r_opengl.c
+++ b/src/hardware/r_opengl/r_opengl.c
@@ -1962,6 +1962,7 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
 
 	if (!(pTexInfo->flags & TF_BRIGHTMAP))
 	{
+		tex_downloaded = 0; // force update
 		SetNoTexture(GL_TEXTURE1); // will be assigned later, if needed
 	}
 
@@ -2076,6 +2077,7 @@ EXPORT void HWRAPI(SetTexture) (GLMipmap_t *pTexInfo)
 		{
 			if (!(pTexInfo->flags & TF_BRIGHTMAP))
 			{
+				tex_downloaded = 0; // force update
 				SetNoTexture(GL_TEXTURE1); // will be assigned later, if needed
 			}