diff --git a/miniwin/src/d3drm/backends/opengl1/renderer.cpp b/miniwin/src/d3drm/backends/opengl1/renderer.cpp
index 74e167e9..88b3b81b 100644
--- a/miniwin/src/d3drm/backends/opengl1/renderer.cpp
+++ b/miniwin/src/d3drm/backends/opengl1/renderer.cpp
@@ -315,6 +315,7 @@ Uint32 OpenGL1Renderer::GetMeshId(IDirect3DRMMesh* mesh, const MeshGroup* meshGr
 
 HRESULT OpenGL1Renderer::BeginFrame()
 {
+	SDL_GL_MakeCurrent(DDWindow, m_context);
 	GL11_BeginFrame((Matrix4x4*) &m_projection[0][0]);
 
 	int lightIdx = 0;
diff --git a/miniwin/src/d3drm/backends/opengles2/renderer.cpp b/miniwin/src/d3drm/backends/opengles2/renderer.cpp
index b0fd4009..e1c86a62 100644
--- a/miniwin/src/d3drm/backends/opengles2/renderer.cpp
+++ b/miniwin/src/d3drm/backends/opengles2/renderer.cpp
@@ -485,6 +485,7 @@ Uint32 OpenGLES2Renderer::GetMeshId(IDirect3DRMMesh* mesh, const MeshGroup* mesh
 
 HRESULT OpenGLES2Renderer::BeginFrame()
 {
+	SDL_GL_MakeCurrent(DDWindow, m_context);
 	m_dirty = true;
 
 	glBindFramebuffer(GL_FRAMEBUFFER, m_fbo);