diff --git a/src/gba/renderers/gl.c b/src/gba/renderers/gl.c
index 2c3da02e0..4bf485c81 100644
--- a/src/gba/renderers/gl.c
+++ b/src/gba/renderers/gl.c
@@ -1394,12 +1394,12 @@ void GBAVideoGLRendererDrawScanline(struct GBAVideoRenderer* renderer, int y) {
 #endif
 		glClearStencil(0);
 		glBindFramebuffer(GL_FRAMEBUFFER, glRenderer->fbo[GBA_GL_FBO_OBJ]);
-		glDrawBuffers(2, (GLenum[]) { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 });
+		glDrawBuffers(1, (GLenum[]) { GL_COLOR_ATTACHMENT0 });
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
 
 		for (i = 0; i < 4; ++i) {
 			glBindFramebuffer(GL_FRAMEBUFFER, glRenderer->bg[i].fbo);
-			glDrawBuffers(2, (GLenum[]) { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 });
+			glDrawBuffers(1, (GLenum[]) { GL_COLOR_ATTACHMENT0 });
 			glClear(GL_COLOR_BUFFER_BIT);
 		}
 	}