diff --git a/src/ExportManager.cpp b/src/ExportManager.cpp
--- a/src/ExportManager.cpp
+++ b/src/ExportManager.cpp
@@ -179,7 +179,9 @@
         title = mWindowTitle.replace(QLatin1Char('/'), QLatin1String("_"));  // POSIX doesn't allow "/" in filenames
     } else {
         // Remove '%T' with separators around it
-        const auto wordSymbol = QStringLiteral(R"(\p{L}\p{M}\p{N})");
+        // Separators are anything that isn't a unicode letter \p{L}, mark \p{M}, number \p{N}
+        // or the % character to avoid eating into a nearby pattern.
+        const auto wordSymbol = QStringLiteral(R"(\p{L}\p{M}\p{N}%)");
         const auto separator = QStringLiteral("([^%1]+)").arg(wordSymbol);
         const auto re = QRegularExpression(QStringLiteral("(.*?)(%1%T|%T%1)(.*?)").arg(separator));
         baseName.replace(re, QStringLiteral(R"(\1\5)"));