diff --git a/plugins/Toolbox/resources/images/placeholder.svg b/plugins/Toolbox/resources/images/placeholder.svg
new file mode 100644
index 0000000000..cc674a4b38
--- /dev/null
+++ b/plugins/Toolbox/resources/images/placeholder.svg
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 48 48">
+  <path d="M24,44,7,33.4V14.6L24,4,41,14.6V33.4ZM9,32.3l15,9.3,15-9.3V15.7L24,6.4,9,15.7Z"/>
+</svg>
diff --git a/plugins/Toolbox/resources/qml/components/ToolboxDownloadsGridTile.qml b/plugins/Toolbox/resources/qml/components/ToolboxDownloadsGridTile.qml
index 78cdf1562a..49c8c4573e 100644
--- a/plugins/Toolbox/resources/qml/components/ToolboxDownloadsGridTile.qml
+++ b/plugins/Toolbox/resources/qml/components/ToolboxDownloadsGridTile.qml
@@ -66,8 +66,10 @@ Item
             anchors.centerIn: parent
             width: UM.Theme.getSize("toolbox_thumbnail_small").width - UM.Theme.getSize("wide_margin").width
             height: UM.Theme.getSize("toolbox_thumbnail_small").height - UM.Theme.getSize("wide_margin").width
+            sourceSize.width: width
+            sourceSize.height: height
             fillMode: Image.PreserveAspectFit
-            source: model.icon_url || "../../images/logobot.svg"
+            source: model.icon_url || "../../images/placeholder.svg"
             mipmap: true
         }
         UM.RecolorImage
diff --git a/plugins/Toolbox/resources/qml/components/ToolboxDownloadsShowcaseTile.qml b/plugins/Toolbox/resources/qml/components/ToolboxDownloadsShowcaseTile.qml
index f6e32b2d84..1ee38b02e5 100644
--- a/plugins/Toolbox/resources/qml/components/ToolboxDownloadsShowcaseTile.qml
+++ b/plugins/Toolbox/resources/qml/components/ToolboxDownloadsShowcaseTile.qml
@@ -22,8 +22,10 @@ Rectangle
         id: thumbnail
         height: UM.Theme.getSize("toolbox_thumbnail_large").height - 4 * UM.Theme.getSize("default_margin").height
         width: UM.Theme.getSize("toolbox_thumbnail_large").height - 4 * UM.Theme.getSize("default_margin").height
+        sourceSize.height: height
+        sourceSize.width: width
         fillMode: Image.PreserveAspectFit
-        source: model.icon_url || "../../images/logobot.svg"
+        source: model.icon_url || "../../images/placeholder.svg"
         mipmap: true
         anchors
         {
diff --git a/plugins/Toolbox/resources/qml/dialogs/CompatibilityDialog.qml b/plugins/Toolbox/resources/qml/dialogs/CompatibilityDialog.qml
index 17bbdba4c5..b33036847b 100644
--- a/plugins/Toolbox/resources/qml/dialogs/CompatibilityDialog.qml
+++ b/plugins/Toolbox/resources/qml/dialogs/CompatibilityDialog.qml
@@ -68,9 +68,11 @@ UM.Dialog{
                             Image
                             {
                                 id: packageIcon
-                                source: model.icon_url || "../../images/logobot.svg"
+                                source: model.icon_url || "../../images/placeholder.svg"
                                 height: lineHeight
                                 width: height
+                                sourceSize.height: height
+                                sourceSize.width: width
                                 mipmap: true
                                 fillMode: Image.PreserveAspectFit
                             }
@@ -111,9 +113,11 @@ UM.Dialog{
                             Image
                             {
                                 id: packageIcon
-                                source: model.icon_url || "../../images/logobot.svg"
+                                source: model.icon_url || "../../images/placeholder.svg"
                                 height: lineHeight
                                 width: height
+                                sourceSize.height: height
+                                sourceSize.width: width
                                 mipmap: true
                                 fillMode: Image.PreserveAspectFit
                             }
diff --git a/plugins/Toolbox/resources/qml/dialogs/ToolboxLicenseDialog.qml b/plugins/Toolbox/resources/qml/dialogs/ToolboxLicenseDialog.qml
index dd0237eada..6e6df2ee67 100644
--- a/plugins/Toolbox/resources/qml/dialogs/ToolboxLicenseDialog.qml
+++ b/plugins/Toolbox/resources/qml/dialogs/ToolboxLicenseDialog.qml
@@ -53,8 +53,10 @@ UM.Dialog
                 id: icon
                 width: 30 * screenScaleFactor
                 height: width
+                sourceSize.width: width
+                sourceSize.height: height
                 fillMode: Image.PreserveAspectFit
-                source: licenseModel.iconUrl || "../../images/logobot.svg"
+                source: licenseModel.iconUrl || "../../images/placeholder.svg"
                 mipmap: true
             }
 
diff --git a/plugins/Toolbox/resources/qml/pages/ToolboxAuthorPage.qml b/plugins/Toolbox/resources/qml/pages/ToolboxAuthorPage.qml
index 2baa8b5210..acc6140b5b 100644
--- a/plugins/Toolbox/resources/qml/pages/ToolboxAuthorPage.qml
+++ b/plugins/Toolbox/resources/qml/pages/ToolboxAuthorPage.qml
@@ -33,7 +33,7 @@ Item
             width: UM.Theme.getSize("toolbox_thumbnail_medium").width
             height: UM.Theme.getSize("toolbox_thumbnail_medium").height
             fillMode: Image.PreserveAspectFit
-            source: details.icon_url || "../../images/logobot.svg"
+            source: details.icon_url || "../../images/placeholder.svg"
             mipmap: true
             anchors
             {
diff --git a/plugins/Toolbox/resources/qml/pages/ToolboxDetailPage.qml b/plugins/Toolbox/resources/qml/pages/ToolboxDetailPage.qml
index 94caafb00b..3cd881af63 100644
--- a/plugins/Toolbox/resources/qml/pages/ToolboxDetailPage.qml
+++ b/plugins/Toolbox/resources/qml/pages/ToolboxDetailPage.qml
@@ -46,8 +46,12 @@ Item
             {
                 anchors.fill: parent
                 fillMode: Image.PreserveAspectFit
-                source: details === null ? "" : (details.icon_url || "../../images/logobot.svg")
+                source: details === null ? "" : (details.icon_url || "../../images/placeholder.svg")
                 mipmap: true
+                height: UM.Theme.getSize("toolbox_thumbnail_large").height - 4 * UM.Theme.getSize("default_margin").height
+                width: UM.Theme.getSize("toolbox_thumbnail_large").height - 4 * UM.Theme.getSize("default_margin").height
+                sourceSize.height: height
+                sourceSize.width: width
             }
         }