diff --git a/imagescrollareagl.cpp b/imagescrollareagl.cpp
index e77c641..52f2381 100644
--- a/imagescrollareagl.cpp
+++ b/imagescrollareagl.cpp
@@ -220,11 +220,12 @@ void ImageWidget::allocateThumbnails(const QStringList &paths)
     }
 
     m_thumbnailTexture->destroy();
-    m_thumbnailTexture->create();
     m_thumbnailTexture->setFormat(QOpenGLTexture::RGBA16F);
     m_thumbnailTexture->setSize(THUMB_SIZE, THUMB_SIZE);
     m_thumbnailTexture->setLayers(std::min((int)paths.size(), m_maxArrayLayers));
+    m_thumbnailTexture->setAutoMipMapGenerationEnabled(false);
     m_thumbnailTexture->setWrapMode(QOpenGLTexture::ClampToEdge);
+    m_thumbnailTexture->setMinMagFilters(QOpenGLTexture::Linear, QOpenGLTexture::Linear);
     m_thumbnailTexture->allocateStorage();
 }
 
@@ -370,6 +371,7 @@ void ImageWidget::paintGL()
         m_thumbnailProgram->setUniformValueArray("mtf_param", m_mtfParams.blackPoint, 3, 3);
         m_thumbnailProgram->setUniformValue("invert", m_invert);
         m_thumbnailProgram->setUniformValue("offset", 0, m_dy);
+
         QMatrix4x4 mvp;
         mvp.ortho(rect());
         m_thumbnailProgram->setUniformValue("mvp", mvp);
@@ -591,12 +593,6 @@ void ImageWidget::initializeGL()
     m_image->setMagnificationFilter(QOpenGLTexture::Linear);
 
     m_thumbnailTexture = std::unique_ptr<QOpenGLTexture>(new QOpenGLTexture(QOpenGLTexture::Target2DArray));
-    m_thumbnailTexture->setFormat(QOpenGLTexture::RGBA16_UNorm);
-    m_thumbnailTexture->setSize(THUMB_SIZE, THUMB_SIZE);
-    m_thumbnailTexture->setLayers(1);
-    m_thumbnailTexture->allocateStorage();
-    m_thumbnailTexture->bind(1);
-    m_thumbnailTexture->setMinMagFilters(QOpenGLTexture::Linear, QOpenGLTexture::Linear);
 
     m_transferOptions = std::unique_ptr<QOpenGLPixelTransferOptions>(new QOpenGLPixelTransferOptions);
     m_transferOptions->setAlignment(1);