From 5a9eb62c0f0690746355cf144b73fb5089ef3969 Mon Sep 17 00:00:00 2001
From: Andreas Stefl <stefl.andreas@gmail.com>
Date: Thu, 31 Oct 2024 14:53:50 +0100
Subject: [PATCH] fix?

---
 Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp b/Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp
index 7e82839061b..1ea07eda8c8 100644
--- a/Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp
+++ b/Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp
@@ -295,7 +295,7 @@ std::optional<BoundVector> estimateTrackParamsFromSeed(
         VoidNavigator(), logger().cloneWithSuffix("Propagator"));
     MagneticFieldContext mctx;
     auto propagatorOptions =
-        decltype(propagator)::template Options<>(gctx, mctx);
+        typename decltype(propagator)::template Options<>(gctx, mctx);
     propagatorOptions.direction = propagatorDirection;
 
     auto result =