diff --git a/src/Renderer.h b/src/Renderer.h
index 8c531a5..bf2da20 100644
--- a/src/Renderer.h
+++ b/src/Renderer.h
@@ -71,7 +71,7 @@ class Renderer {
       Shader::disable();
 
       glFrontFace(GL_CCW);
-      glStencilOp(GL_KEEP, GL_INCR_WRAP, GL_KEEP);
+      glStencilOp(GL_KEEP, GL_INCR, GL_KEEP);
 
       glBegin(GL_TRIANGLES);
       for(std::vector<ShadowVolume>::iterator v = shadowVolumes.begin(); v != shadowVolumes.end(); ++v) {
@@ -80,7 +80,7 @@ class Renderer {
       glEnd();
 
       glFrontFace(GL_CW);
-      glStencilOp(GL_KEEP, GL_DECR_WRAP, GL_KEEP);
+      glStencilOp(GL_KEEP, GL_DECR, GL_KEEP);
 
       glBegin(GL_TRIANGLES);
       for(std::vector<ShadowVolume>::iterator v = shadowVolumes.begin(); v != shadowVolumes.end(); ++v) {