diff --git a/panda/src/glstuff/glShaderContext_src.cxx b/panda/src/glstuff/glShaderContext_src.cxx
index 2a67e0ba21..5df6c93871 100644
--- a/panda/src/glstuff/glShaderContext_src.cxx
+++ b/panda/src/glstuff/glShaderContext_src.cxx
@@ -1425,7 +1425,7 @@ update_shader_vertex_arrays(ShaderContext *prev, bool force) {
                                            GL_TRUE, stride, client_pointer);
           }
 
-          if (_glgsg->_supports_vertex_attrib_divisor) {
+          if (_glgsg->_supports_vertex_attrib_divisor && divisor > 0) {
             _glgsg->_glVertexAttribDivisor(p, divisor);
             _has_divisor = true;
           }