diff --git a/3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_ogl_legacy.cpp b/3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_ogl_legacy.cpp
index 6165afaa65..6b2dc87799 100644
--- a/3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_ogl_legacy.cpp
+++ b/3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_ogl_legacy.cpp
@@ -565,6 +565,14 @@ bool C3D_RENDER_OGL_LEGACY::Redraw(
 
     glViewport( 0, 0, m_windowSize.x, m_windowSize.y );
 
+    if( aIsMoving == false )
+    {
+        glEnable( GL_MULTISAMPLE );
+    }
+    else
+    {
+        glDisable( GL_MULTISAMPLE );
+    }
 
     // clear color and depth buffers
     // /////////////////////////////////////////////////////////////////////////
diff --git a/3d-viewer/3d_rendering/3d_render_raytracing/c3d_render_raytracing.cpp b/3d-viewer/3d_rendering/3d_render_raytracing/c3d_render_raytracing.cpp
index 8c8613c048..2f6a5b6932 100644
--- a/3d-viewer/3d_rendering/3d_render_raytracing/c3d_render_raytracing.cpp
+++ b/3d-viewer/3d_rendering/3d_render_raytracing/c3d_render_raytracing.cpp
@@ -211,7 +211,7 @@ bool C3D_RENDER_RAYTRACING::Redraw(
     glDisable( GL_DEPTH_TEST );
     glDisable( GL_TEXTURE_2D );
     glDisable( GL_BLEND );
-
+    glDisable( GL_MULTISAMPLE );
 
     const bool was_camera_changed = m_camera.ParametersChanged();