diff --git a/source/graphics/LOSTexture.cpp b/source/graphics/LOSTexture.cpp
index fb36bf05af..8554e91184 100644
--- a/source/graphics/LOSTexture.cpp
+++ b/source/graphics/LOSTexture.cpp
@@ -123,10 +123,10 @@ void CLOSTexture::InterpolateLOS()
 	}
 	
 	GLint originalFBO;
-	glGetIntegerv(GL_FRAMEBUFFER_BINDING, &originalFBO);
+	glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &originalFBO);
 	
-	pglBindFramebufferEXT(GL_FRAMEBUFFER, m_smoothFbo);
-	pglFramebufferTexture2DEXT(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 
+	pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_smoothFbo);
+	pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, 
 				   whichTex ? m_TextureSmooth2 : m_TextureSmooth1, 0);
 	
 	GLenum status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
@@ -160,7 +160,7 @@ void CLOSTexture::InterpolateLOS()
 	shader->Unbind();
 	m_smoothShader->EndPass();
 	
-	pglFramebufferTexture2DEXT(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
+	pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, 0, 0);
 	
 	pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, originalFBO);