diff --git a/src/graphics/render_geometry.cpp b/src/graphics/render_geometry.cpp
index 13d2505c6..6ba414e1a 100644
--- a/src/graphics/render_geometry.cpp
+++ b/src/graphics/render_geometry.cpp
@@ -979,6 +979,10 @@ void IrrDriver::renderShadows()
     glEnable(GL_DEPTH_TEST);
     glDisable(GL_BLEND);
     m_rtts->getShadowFBO().Bind();
+    glEnable(GL_POLYGON_OFFSET_FILL);
+    glPolygonOffset(1.5, 0.);
+    glCullFace(GL_BACK);
+    glEnable(GL_CULL_FACE);
 
     glClearColor(1., 1., 1., 1.);
     glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
@@ -1020,6 +1024,8 @@ void IrrDriver::renderShadows()
         }
     }
 
+    glDisable(GL_POLYGON_OFFSET_FILL);
+
     m_post_processing->renderGaussian6BlurLayer(m_rtts->getShadowFBO());
     glBindTexture(GL_TEXTURE_2D_ARRAY, m_rtts->getShadowFBO().getRTT()[0]);
     glGenerateMipmap(GL_TEXTURE_2D_ARRAY);