diff --git a/src/quickcontrols/material/qquickmaterialtheme.cpp b/src/quickcontrols/material/qquickmaterialtheme.cpp
index 629c389be5..da2cf0f894 100644
--- a/src/quickcontrols/material/qquickmaterialtheme.cpp
+++ b/src/quickcontrols/material/qquickmaterialtheme.cpp
@@ -47,7 +47,6 @@ void QQuickMaterialTheme::initialize(QQuickTheme *theme)
 
     // https://material.io/guidelines/components/buttons.html#buttons-style
     buttonFont.setPixelSize(dense ? 13 : 14);
-    buttonFont.setCapitalization(QFont::AllUppercase);
     buttonFont.setWeight(QFont::Medium);
     theme->setFont(QQuickTheme::Button, buttonFont);
     theme->setFont(QQuickTheme::TabBar, buttonFont);
diff --git a/tests/auto/quickcontrols/qquickmaterialstyle/data/tst_material.qml b/tests/auto/quickcontrols/qquickmaterialstyle/data/tst_material.qml
index 2a3c31361d..8e4189924f 100644
--- a/tests/auto/quickcontrols/qquickmaterialstyle/data/tst_material.qml
+++ b/tests/auto/quickcontrols/qquickmaterialstyle/data/tst_material.qml
@@ -636,15 +636,15 @@ TestCase {
         return [
             {tag: "Button:pixelSize", type: "Button", attribute: "pixelSize", value: 14, window: 20, pane: 10},
             {tag: "Button:weight", type: "Button", attribute: "weight", value: Font.Medium, window: Font.Black, pane: Font.Bold},
-            {tag: "Button:capitalization", type: "Button", attribute: "capitalization", value: Font.AllUppercase, window: Font.Capitalize, pane: Font.AllLowercase},
+            {tag: "Button:capitalization", type: "Button", attribute: "capitalization", value: Font.MixedCase, window: Font.Capitalize, pane: Font.AllLowercase},
 
             {tag: "TabButton:pixelSize", type: "TabButton", attribute: "pixelSize", value: 14, window: 20, pane: 10},
             {tag: "TabButton:weight", type: "TabButton", attribute: "weight", value: Font.Medium, window: Font.Black, pane: Font.Bold},
-            {tag: "TabButton:capitalization", type: "TabButton", attribute: "capitalization", value: Font.AllUppercase, window: Font.Capitalize, pane: Font.AllLowercase},
+            {tag: "TabButton:capitalization", type: "TabButton", attribute: "capitalization", value: Font.MixedCase, window: Font.Capitalize, pane: Font.AllLowercase},
 
             {tag: "ToolButton:pixelSize", type: "ToolButton", attribute: "pixelSize", value: 14, window: 20, pane: 10},
             {tag: "ToolButton:weight", type: "ToolButton", attribute: "weight", value: Font.Medium, window: Font.Black, pane: Font.Bold},
-            {tag: "ToolButton:capitalization", type: "ToolButton", attribute: "capitalization", value: Font.AllUppercase, window: Font.Capitalize, pane: Font.AllLowercase},
+            {tag: "ToolButton:capitalization", type: "ToolButton", attribute: "capitalization", value: Font.MixedCase, window: Font.Capitalize, pane: Font.AllLowercase},
 
             {tag: "ItemDelegate:pixelSize", type: "ItemDelegate", attribute: "pixelSize", value: 14, window: 20, pane: 10},
             {tag: "ItemDelegate:weight", type: "ItemDelegate", attribute: "weight", value: Font.Medium, window: Font.Black, pane: Font.Bold},