diff --git a/src/libslic3r/GCode/ConflictChecker.cpp b/src/libslic3r/GCode/ConflictChecker.cpp
index 8c5f639419..b35ef3f8ae 100644
--- a/src/libslic3r/GCode/ConflictChecker.cpp
+++ b/src/libslic3r/GCode/ConflictChecker.cpp
@@ -306,7 +306,12 @@ ConflictComputeOpt ConflictChecker::find_inter_of_lines(const LineWithIDs &lines
 ConflictResultOpt ConflictChecker::find_inter_of_lines_in_diff_objs(SpanOfConstPtrs<PrintObject> objs,
                                                                     const WipeTowerData& wipe_tower_data) // find the first intersection point of lines in different objects
 {
-    if (objs.empty() || (objs.size() == 1 && objs.front()->instances().size() == 1)) { return {}; }
+    // There is no conflict when there are no objects,
+    // or when there is only one object with a single instance and the wipe tower is disabled.
+    if (objs.empty()
+     || (objs.size() == 1 && objs.front()->instances().size() == 1 && wipe_tower_data.z_and_depth_pairs.empty())) {
+        return {};
+    }
 
     // The code ported from BS uses void* to identify objects...
     // Let's use the address of this variable to represent the wipe tower.