diff --git a/features/guidance/turn-angles.feature b/features/guidance/turn-angles.feature
index 60c751c08..c15b58f34 100644
--- a/features/guidance/turn-angles.feature
+++ b/features/guidance/turn-angles.feature
@@ -1372,7 +1372,9 @@ Feature: Simple Turns
             | waypoints | route       |
             | g,e       | abcde,abcde |
 
-    Scenario: small ticks in roads
+    # 4205
+    # https://www.openstreetmap.org/node/36153635#map=19/51.97548/7.61795
+    Scenario: merging onto a through street
         Given the node map
             """
                           e
@@ -1439,7 +1441,6 @@ Feature: Simple Turns
             | fcde  | no     | jahn |
 
         When I route I should get
-            | waypoints | route         | turns                       |
-            | a,f       | fww,jahn,jahn | depart,turn straight,arrive |
-            | a,e       | fww,jahn,jahn | depart,turn left,arrive     |
-
+            | waypoints | route         | turns                    |
+            | a,f       | fww,jahn,jahn | depart,turn right,arrive |
+            | a,e       | fww,jahn,jahn | depart,turn left,arrive  |
diff --git a/src/extractor/guidance/intersection_handler.cpp b/src/extractor/guidance/intersection_handler.cpp
index 129b65769..d4e7fb3bf 100644
--- a/src/extractor/guidance/intersection_handler.cpp
+++ b/src/extractor/guidance/intersection_handler.cpp
@@ -119,7 +119,9 @@ TurnInstruction IntersectionHandler::getInstructionForObvious(const std::size_t
                     const double constexpr MAX_COLLAPSE_DISTANCE = 30;
                     // in normal road condidtions, we check if the turn is nearly straight.
                     // Doing so, we widen the angle that a turn is considered straight, but since it
-                    // is obvious, the choice is arguably better.
+                    // is obvious, the choice is arguably better. We need the road to continue for a
+                    // bit though, until we assume this is safe to do. In addition, the angle cannot
+                    // get too wide, so we only allow narrow turn angles to begin with.
 
                     // FIXME this requires https://github.com/Project-OSRM/osrm-backend/pull/2399,
                     // since `distance` does not refer to an actual distance but rather to the
@@ -129,12 +131,12 @@ TurnInstruction IntersectionHandler::getInstructionForObvious(const std::size_t
                     const auto distance = util::coordinate_calculation::haversineDistance(
                         coordinates[node_based_graph.GetTarget(via_edge)],
                         coordinates[node_based_graph.GetTarget(road.eid)]);
-                    return {
-                        TurnType::Turn,
-                        (angularDeviation(road.angle, STRAIGHT_ANGLE) < FUZZY_ANGLE_DIFFERENCE ||
-                         distance > 2 * MAX_COLLAPSE_DISTANCE)
-                            ? DirectionModifier::Straight
-                            : getTurnDirection(road.angle)};
+
+                    return {TurnType::Turn,
+                            (angularDeviation(road.angle, STRAIGHT_ANGLE) < NARROW_TURN_ANGLE &&
+                             distance > 2 * MAX_COLLAPSE_DISTANCE)
+                                ? DirectionModifier::Straight
+                                : getTurnDirection(road.angle)};
                 }
             }
             else