diff --git a/effects/logout/data/logout-blur-140.frag b/effects/logout/data/logout-blur-140.frag
new file mode 100644
index 0000000000..3c6f3622af
--- /dev/null
+++ b/effects/logout/data/logout-blur-140.frag
@@ -0,0 +1,14 @@
+#version 140
+
+uniform sampler2D sampler;
+uniform float u_alphaProgress;
+
+in vec2 varyingTexCoords;
+out vec4 fragColor;
+
+void main() {
+    vec4 texel = texture(sampler, varyingTexCoords, 1.75);
+    texel.a = u_alphaProgress;
+
+    fragColor = texel;
+}
diff --git a/effects/logout/data/vignetting-140.frag b/effects/logout/data/vignetting-140.frag
new file mode 100644
index 0000000000..af25ae3395
--- /dev/null
+++ b/effects/logout/data/vignetting-140.frag
@@ -0,0 +1,12 @@
+#version 140
+
+uniform vec2 u_center;
+uniform float u_radius;
+uniform float u_progress;
+
+out vec4 fragColor;
+
+void main() {
+    float d = smoothstep(0, u_radius, distance(gl_FragCoord.xy, u_center));
+    fragColor = vec4(0.0, 0.0, 0.0, d * u_progress);
+}
diff --git a/effects/logout/logout.cpp b/effects/logout/logout.cpp
index 3c8ee5aced..86ccc4e7ea 100644
--- a/effects/logout/logout.cpp
+++ b/effects/logout/logout.cpp
@@ -25,6 +25,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "logoutconfig.h"
 
 #include "kwinglutils.h"
+#include "kwinglplatform.h"
 
 #include <math.h>
 #include <kdebug.h>
@@ -295,8 +296,10 @@ void LogoutEffect::renderVignetting()
         return;
     }
     if (!m_vignettingShader) {
+        const char *shader = GLPlatform::instance()->glslVersion() >= kVersionNumber(1, 40) ?
+                                "kwin/vignetting-140.frag" : "kwin/vignetting.frag";
         m_vignettingShader = ShaderManager::instance()->loadFragmentShader(KWin::ShaderManager::ColorShader,
-                                                                           KGlobal::dirs()->findResource("data", "kwin/vignetting.frag"));
+                                                                           KGlobal::dirs()->findResource("data", shader));
         if (!m_vignettingShader->isValid()) {
             kDebug(1212) << "Vignetting Shader failed to load";
             return;
@@ -375,8 +378,10 @@ void LogoutEffect::renderBlurTexture()
         return;
     }
     if (!m_blurShader) {
+        const char *shader = GLPlatform::instance()->glslVersion() >= kVersionNumber(1, 40) ?
+                                "kwin/logout-blur-140.frag" : "kwin/logout-blur.frag";
         m_blurShader = ShaderManager::instance()->loadFragmentShader(KWin::ShaderManager::SimpleShader,
-                                                                     KGlobal::dirs()->findResource("data", "kwin/logout-blur.frag"));
+                                                                     KGlobal::dirs()->findResource("data", shader));
         if (!m_blurShader->isValid()) {
             kDebug(1212) << "Logout blur shader failed to load";
         }