diff --git a/doc/changelog.dox b/doc/changelog.dox
index 82ba7bd89..aa1448267 100644
--- a/doc/changelog.dox
+++ b/doc/changelog.dox
@@ -432,6 +432,9 @@ See also:
     check
 -   For a @ref Shaders::Phong with zero lights, alpha mask default value was
     incorrectly @cpp 0.0f @ce instead of @cpp 0.5f @ce on OpenGL ES
+-   @ref Shaders::MeshVisualizer3D accidentally didn't enable
+    @glsl noperspective @ce interpolation on desktop, resulting in minor
+    wireframe rendering artifacts
 
 @subsection changelog-latest-deprecated Deprecated APIs
 
diff --git a/src/Magnum/Shaders/MeshVisualizer.frag b/src/Magnum/Shaders/MeshVisualizer.frag
index 12d792737..7f454ae88 100644
--- a/src/Magnum/Shaders/MeshVisualizer.frag
+++ b/src/Magnum/Shaders/MeshVisualizer.frag
@@ -82,7 +82,7 @@ uniform lowp float smoothness
     ;
 
 #ifndef NO_GEOMETRY_SHADER
-#ifdef GL_NV_shader_noperspective_interpolation
+#if !defined(GL_ES) || defined(GL_NV_shader_noperspective_interpolation)
 noperspective
 #endif
 in lowp vec3 dist;
diff --git a/src/Magnum/Shaders/MeshVisualizer.geom b/src/Magnum/Shaders/MeshVisualizer.geom
index 4ca350882..32989140b 100644
--- a/src/Magnum/Shaders/MeshVisualizer.geom
+++ b/src/Magnum/Shaders/MeshVisualizer.geom
@@ -44,7 +44,7 @@ layout(triangles) in;
 layout(triangle_strip, max_vertices = 3) out;
 
 /* Interpolate in screen space (if possible) */
-#ifdef GL_NV_shader_noperspective_interpolation
+#if !defined(GL_ES) || defined(GL_NV_shader_noperspective_interpolation)
 noperspective
 #endif
 out lowp vec3 dist;
diff --git a/src/Magnum/Shaders/Test/MeshVisualizerGLTest.cpp b/src/Magnum/Shaders/Test/MeshVisualizerGLTest.cpp
index fe7add89b..c33306f9f 100644
--- a/src/Magnum/Shaders/Test/MeshVisualizerGLTest.cpp
+++ b/src/Magnum/Shaders/Test/MeshVisualizerGLTest.cpp
@@ -792,8 +792,14 @@ void MeshVisualizerGLTest::renderWireframe3D() {
         CORRADE_EXPECT_FAIL_IF(data.flags & MeshVisualizer3D::Flag::NoGeometryShader,
             "Line width is currently not configurable w/o geometry shader.");
         #if !(defined(MAGNUM_TARGET_GLES2) && defined(MAGNUM_TARGET_WEBGL))
-        /* SwiftShader has differently rasterized edges on four pixels */
-        const Float maxThreshold = 170.0f, meanThreshold = 0.327f;
+        /* SwiftShader has differently rasterized edges on four pixels. On a
+           GS, if GL_NV_shader_noperspective_interpolation is not supported,
+           the artifacts are bigger. */
+        Float maxThreshold = 170.0f, meanThreshold = 0.327f;
+        #if defined(MAGNUM_TARGET_GLES) && !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
+        if(!(data.flags & MeshVisualizer3D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported<GL::Extensions::NV::shader_noperspective_interpolation>())
+            meanThreshold = 2.166f;
+        #endif
         #else
         /* WebGL 1 doesn't have 8bit renderbuffer storage, so it's way worse */
         const Float maxThreshold = 170.0f, meanThreshold = 1.699f;
diff --git a/src/Magnum/Shaders/Test/MeshVisualizerTestFiles/wireframe-wide3D.tga b/src/Magnum/Shaders/Test/MeshVisualizerTestFiles/wireframe-wide3D.tga
index 1314e14a2..5aff6ce01 100644
Binary files a/src/Magnum/Shaders/Test/MeshVisualizerTestFiles/wireframe-wide3D.tga and b/src/Magnum/Shaders/Test/MeshVisualizerTestFiles/wireframe-wide3D.tga differ
diff --git a/src/Magnum/Shaders/Test/MeshVisualizerTestFiles/wireframe3D.tga b/src/Magnum/Shaders/Test/MeshVisualizerTestFiles/wireframe3D.tga
index 9d9724072..efa7e3383 100644
Binary files a/src/Magnum/Shaders/Test/MeshVisualizerTestFiles/wireframe3D.tga and b/src/Magnum/Shaders/Test/MeshVisualizerTestFiles/wireframe3D.tga differ