diff --git a/src/scriptable/scriptable.cpp b/src/scriptable/scriptable.cpp
index 343222860e..dcb5ef395c 100644
--- a/src/scriptable/scriptable.cpp
+++ b/src/scriptable/scriptable.cpp
@@ -287,10 +287,15 @@ struct ScriptValueFactory<QRegularExpression> {
     static QRegularExpression fromScriptValue(const QJSValue &value, const Scriptable *)
     {
         if (value.isRegExp()) {
+#if QT_VERSION >= QT_VERSION_CHECK(5,15,0)
+            const auto variant = value.toVariant();
+            return variant.toRegularExpression();
+#else
             const QString pattern = toString(value.property("source"));
             return pattern == QStringLiteral("(?:)")
                 ? QRegularExpression()
                 : QRegularExpression(pattern);
+#endif
         }
 
         if (value.isVariant()) {
diff --git a/src/tests/tests.cpp b/src/tests/tests.cpp
index efc31cfae9..3d28433787 100644
--- a/src/tests/tests.cpp
+++ b/src/tests/tests.cpp
@@ -1711,7 +1711,7 @@ void Tests::commandsAddCommandsRegExp()
 {
     const QString commands =
             "[Command]\n"
-            "Match=x\n";
+            "Match=^(https?|ftps?)://\\\\$\n";
 
     // Ensure there is a basic RegExp support.
     RUN("/test/", "/test/\n");
@@ -1720,7 +1720,7 @@ void Tests::commandsAddCommandsRegExp()
     RUN("eval" << "exportCommands(importCommands(arguments[1]))" << "--" << commands, commands);
     RUN("eval" << "Object.prototype.toString.call(importCommands(arguments[1])[0].re)" << "--" << commands, "[object RegExp]\n");
     RUN("eval" << "Object.prototype.toString.call(importCommands(arguments[1])[0].wndre)" << "--" << commands, "[object RegExp]\n");
-    RUN("eval" << "importCommands(arguments[1])[0].re" << "--" << commands, "/x/\n");
+    RUN("eval" << "importCommands(arguments[1])[0].re" << "--" << commands, "/^(https?|ftps?):\\/\\/\\$/\n");
     RUN("eval" << "importCommands(arguments[1])[0].wndre" << "--" << commands, "/(?:)/\n");
 
     RUN("eval" << "addCommands(importCommands(arguments[1]))" << "--" << commands, "");
@@ -1728,7 +1728,7 @@ void Tests::commandsAddCommandsRegExp()
 
     RUN("exportCommands(commands())", commands);
     RUN("commands()[0].name", "\n");
-    RUN("commands()[0].re", "/x/\n");
+    RUN("commands()[0].re", "/^(https?|ftps?):\\/\\/\\$/\n");
     RUN("commands()[0].wndre", "/(?:)/\n");
 }