From cf1dcf2603fa171443edc0d0b3280cbd8bea197e Mon Sep 17 00:00:00 2001
From: Andreas Stefl <stefl.andreas@gmail.com>
Date: Thu, 31 Oct 2024 11:52:44 +0100
Subject: [PATCH] fix

---
 Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp b/Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp
index 9a2dd06530a..7e82839061b 100644
--- a/Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp
+++ b/Core/include/Acts/Seeding/EstimateTrackParamsFromSeed.hpp
@@ -294,7 +294,8 @@ std::optional<BoundVector> estimateTrackParamsFromSeed(
         EigenStepper<>(std::make_shared<ConstantBField>(bField)),
         VoidNavigator(), logger().cloneWithSuffix("Propagator"));
     MagneticFieldContext mctx;
-    auto propagatorOptions = decltype(propagator)::Options<>(gctx, mctx);
+    auto propagatorOptions =
+        decltype(propagator)::template Options<>(gctx, mctx);
     propagatorOptions.direction = propagatorDirection;
 
     auto result =