diff --git a/examples/closeencounter_hybrid/Makefile b/examples/closeencounter_hybrid/Makefile
index cd123bddbc..2a936bfa57 100644
--- a/examples/closeencounter_hybrid/Makefile
+++ b/examples/closeencounter_hybrid/Makefile
@@ -1,4 +1,4 @@
-export OPENGL=0# Set this to 1 to enable OpenGL
+export OPENGL=1# Set this to 1 to enable OpenGL
 export SERVER=1# Set this to 1 to enable the visualization web server
 include ../../src/Makefile.defs
 
diff --git a/src/display.c b/src/display.c
index dd9a441763..3e78bdf866 100644
--- a/src/display.c
+++ b/src/display.c
@@ -666,7 +666,7 @@ void reb_render_frame(void* p){
                 glUseProgram(data->sphere_shader_program);
                 glBindVertexArray(data->sphere_shader_particle_vao);
                 glUniformMatrix4fv(data->sphere_shader_mvp_location, 1, GL_TRUE, (GLfloat*) tmp2);
-                reb_glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, data->sphere_shader_vertex_count, N_real);
+                reb_glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 800, N_real);
                 glBindVertexArray(0);
                 glDisable(GL_DEPTH_TEST);
             }
@@ -1343,7 +1343,6 @@ void reb_display_init(struct reb_simulation * const r){
             count++;
         }
     }
-    data->sphere_shader_vertex_count = count;
     GLuint sphere_vertex_buffer;
     glGenBuffers(1, &sphere_vertex_buffer);
     glBindBuffer(GL_ARRAY_BUFFER, sphere_vertex_buffer);
diff --git a/src/rebound.h b/src/rebound.h
index 6214b0c4a2..bbb5f7f5a9 100644
--- a/src/rebound.h
+++ b/src/rebound.h
@@ -1150,7 +1150,6 @@ struct reb_display_data {
     unsigned int sphere_shader_mvp_location;
     unsigned int sphere_shader_program;
     unsigned int sphere_shader_particle_vao;
-    unsigned int sphere_shader_vertex_count;
     unsigned int orbit_shader_mvp_location;
     unsigned int orbit_shader_program;
     unsigned int orbit_shader_particle_vao;