diff --git a/components/MaterialIcon.qml b/components/MaterialIcon.qml
index 0fbac7b9..513244ad 100644
--- a/components/MaterialIcon.qml
+++ b/components/MaterialIcon.qml
@@ -7,5 +7,5 @@ StyledText {
     property int grade: Colours.light ? 0 : -25
     property font fontStyle: Tokens.font.icon.small
 
-    font: Tokens.font.icon.size(fontStyle.pointSize).weight(fontStyle.weight).fill(fill.toFixed(1)).grade(grade).build()
+    font: Tokens.font.icon.size(fontStyle.pointSize).weight(fontStyle.weight).vaxes(fontStyle.variableAxes).fill(fill.toFixed(1)).grade(grade).build()
 }
diff --git a/plugin/src/Caelestia/Config/fontbuilder.cpp b/plugin/src/Caelestia/Config/fontbuilder.cpp
index dba3604a..2d2e3fd9 100644
--- a/plugin/src/Caelestia/Config/fontbuilder.cpp
+++ b/plugin/src/Caelestia/Config/fontbuilder.cpp
@@ -1,7 +1,10 @@
 #include "fontbuilder.hpp"
+#include <qloggingcategory.h>
 
 namespace caelestia::config {
 
+Q_LOGGING_CATEGORY(lcFontBuilder, "caelestia.fontbuilder", QtInfoMsg)
+
 FontBuilder::FontBuilder(QFont font)
     : m_font(std::move(font)) {}
 
@@ -44,15 +47,24 @@ FontBuilder FontBuilder::capitalisation(QFont::Capitalization cap) {
     return *this;
 }
 
-FontBuilder FontBuilder::vaxis(QFont::Tag tag, float value) {
-    m_font.setVariableAxis(tag, value);
+FontBuilder FontBuilder::vaxis(const QString& tag, float value) {
+    if (auto t = QFont::Tag::fromString(tag))
+        m_font.setVariableAxis(*t, value);
+    else
+        qCWarning(lcFontBuilder) << "Unable to convert tag" << tag << "to QFont::Tag";
     return *this;
 }
 
 FontBuilder FontBuilder::vaxes(QVariantMap axes) {
     for (auto it = axes.constBegin(); it != axes.constEnd(); ++it) {
-        if (auto tag = QFont::Tag::fromString(it.key()))
-            m_font.setVariableAxis(*tag, it.value().toFloat());
+        if (it.value().canConvert<float>()) {
+            if (auto tag = QFont::Tag::fromString(it.key()))
+                m_font.setVariableAxis(*tag, it.value().toFloat());
+            else
+                qCWarning(lcFontBuilder) << "Unable to convert tag" << it.key() << "to QFont::Tag";
+        } else {
+            qCWarning(lcFontBuilder) << "Unable to convert value" << it.value() << "to float";
+        }
     }
     return *this;
 }
diff --git a/plugin/src/Caelestia/Config/fontbuilder.hpp b/plugin/src/Caelestia/Config/fontbuilder.hpp
index 7613d784..b159d08b 100644
--- a/plugin/src/Caelestia/Config/fontbuilder.hpp
+++ b/plugin/src/Caelestia/Config/fontbuilder.hpp
@@ -20,7 +20,7 @@ public:
     [[nodiscard]] Q_INVOKABLE FontBuilder stretch(int stretch);
     [[nodiscard]] Q_INVOKABLE FontBuilder letterSpacing(qreal spacing, bool absolute = true);
     [[nodiscard]] Q_INVOKABLE FontBuilder capitalisation(QFont::Capitalization cap);
-    [[nodiscard]] Q_INVOKABLE FontBuilder vaxis(QFont::Tag tag, float value);
+    [[nodiscard]] Q_INVOKABLE FontBuilder vaxis(const QString& tag, float value);
     [[nodiscard]] Q_INVOKABLE FontBuilder vaxes(QVariantMap axes);
     [[nodiscard]] Q_INVOKABLE QFont build() const;