1 files changed, 3 insertions, 1 deletions
diff --git a/src/core/function/gpg/GpgSmartCardManager.cpp b/src/core/function/gpg/GpgSmartCardManager.cpp
index 203c36ec..83f3a45d 100644
--- a/src/core/function/gpg/GpgSmartCardManager.cpp
+++ b/src/core/function/gpg/GpgSmartCardManager.cpp
@@ -204,7 +204,9 @@ auto PercentDataEscape(const QByteArray& data, bool plus_escape = false,
     } else if (plus_escape && ch == ' ') {
       result += '+';
     } else if (plus_escape && (ch < 0x20 || ch == '+')) {
-      result += QString("%%%1").arg(ch, 2, 16, QLatin1Char('0')).toUpper();
+      result += QString("%%%1")
+                    .arg(static_cast<int>(ch), 2, 16, QLatin1Char('0'))
+                    .toUpper();
     } else {
       result += QLatin1Char(ch);
     }