diff --git a/src/blur.cpp b/src/blur.cpp
index 72f435167..54139b519 100644
--- a/src/blur.cpp
+++ b/src/blur.cpp
@@ -109,7 +109,6 @@ BlurEffect::BlurEffect()
         m_texture.textureSizeLocation = m_texture.shader->uniformLocation("textureSize");
         m_texture.texStartPosLocation = m_texture.shader->uniformLocation("texStartPos");
         m_texture.blurSizeLocation = m_texture.shader->uniformLocation("blurSize");
-        m_texture.scaleLocation = m_texture.shader->uniformLocation("scale");
         m_texture.topCornerRadiusLocation = m_texture.shader->uniformLocation("topCornerRadius");
         m_texture.bottomCornerRadiusLocation = m_texture.shader->uniformLocation("bottomCornerRadius");
         m_texture.antialiasingLocation = m_texture.shader->uniformLocation("antialiasing");
@@ -958,9 +957,8 @@ void BlurEffect::blur(BlurRenderData &renderInfo, const RenderTarget &renderTarg
 
         m_texture.shader->setUniform(m_texture.mvpMatrixLocation, projectionMatrix);
         m_texture.shader->setUniform(m_texture.textureSizeLocation, QVector2D(fakeBlurTexture->size().width(), fakeBlurTexture->size().height()));
-        m_texture.shader->setUniform(m_texture.texStartPosLocation, QVector2D(backgroundRect.x() - screenGeometry.x(), backgroundRect.y() - screenGeometry.y()));
-        m_texture.shader->setUniform(m_texture.blurSizeLocation, QVector2D(backgroundRect.width(), backgroundRect.height()));
-        m_texture.shader->setUniform(m_texture.scaleLocation, (float)viewport.scale());
+        m_texture.shader->setUniform(m_texture.texStartPosLocation, QVector2D(deviceBackgroundRect.x() - screenGeometry.x(), deviceBackgroundRect.y() - screenGeometry.y()));
+        m_texture.shader->setUniform(m_texture.blurSizeLocation, QVector2D(deviceBackgroundRect.width(), deviceBackgroundRect.height()));
         m_texture.shader->setUniform(m_texture.topCornerRadiusLocation, topCornerRadius);
         m_texture.shader->setUniform(m_texture.bottomCornerRadiusLocation, bottomCornerRadius);
         m_texture.shader->setUniform(m_texture.antialiasingLocation, m_settings.roundedCorners.antialiasing);
@@ -1050,7 +1048,7 @@ void BlurEffect::blur(BlurRenderData &renderInfo, const RenderTarget &renderTarg
         m_upsamplePass.shader->setUniform(m_upsamplePass.topCornerRadiusLocation, topCornerRadius);
         m_upsamplePass.shader->setUniform(m_upsamplePass.bottomCornerRadiusLocation, bottomCornerRadius);
         m_upsamplePass.shader->setUniform(m_upsamplePass.antialiasingLocation, m_settings.roundedCorners.antialiasing);
-        m_upsamplePass.shader->setUniform(m_upsamplePass.blurSizeLocation, QVector2D(backgroundRect.width(), backgroundRect.height()));
+        m_upsamplePass.shader->setUniform(m_upsamplePass.blurSizeLocation, QVector2D(deviceBackgroundRect.width(), deviceBackgroundRect.height()));
         m_upsamplePass.shader->setUniform(m_upsamplePass.opacityLocation, static_cast<float>(opacity));
 
         projectionMatrix = viewport.projectionMatrix();
diff --git a/src/blur.h b/src/blur.h
index d783edf85..e4ba1ee0d 100644
--- a/src/blur.h
+++ b/src/blur.h
@@ -168,7 +168,6 @@ public Q_SLOTS:
         int mvpMatrixLocation;
         int textureSizeLocation;
         int texStartPosLocation;
-        int scaleLocation;
 
         int topCornerRadiusLocation;
         int bottomCornerRadiusLocation;
diff --git a/src/shaders/texture.glsl b/src/shaders/texture.glsl
index 706cc8480..d15c19a08 100644
--- a/src/shaders/texture.glsl
+++ b/src/shaders/texture.glsl
@@ -3,12 +3,11 @@
 uniform sampler2D texUnit;
 uniform vec2 textureSize;
 uniform vec2 texStartPos;
-uniform float scale;
 
 varying vec2 uv;
 
 void main(void)
 {
-    vec2 tex = (texStartPos.xy + vec2(uv.x, 1.0 - uv.y) * blurSize) / textureSize * scale;
+    vec2 tex = (texStartPos.xy + vec2(uv.x, 1.0 - uv.y) * blurSize) / textureSize;
     gl_FragColor = roundedRectangle(uv * blurSize, texture2D(texUnit, tex).rgb);
 }
\ No newline at end of file
diff --git a/src/shaders/texture_core.glsl b/src/shaders/texture_core.glsl
index 9a126bae3..d2828d61e 100644
--- a/src/shaders/texture_core.glsl
+++ b/src/shaders/texture_core.glsl
@@ -5,7 +5,6 @@
 uniform sampler2D texUnit;
 uniform vec2 textureSize;
 uniform vec2 texStartPos;
-uniform float scale;
 
 in vec2 uv;
 
@@ -13,6 +12,6 @@ out vec4 fragColor;
 
 void main(void)
 {
-    vec2 tex = (texStartPos.xy + vec2(uv.x, 1.0 - uv.y) * blurSize) / textureSize * scale;
+    vec2 tex = (texStartPos.xy + vec2(uv.x, 1.0 - uv.y) * blurSize) / textureSize;
     fragColor = roundedRectangle(uv * blurSize, texture(texUnit, tex).rgb);
 }