diff --git a/Source/Editor/Content/Import/ModelImportEntry.cs b/Source/Editor/Content/Import/ModelImportEntry.cs
index 37525e6d3..efcf1844f 100644
--- a/Source/Editor/Content/Import/ModelImportEntry.cs
+++ b/Source/Editor/Content/Import/ModelImportEntry.cs
@@ -117,8 +117,8 @@ namespace FlaxEditor.Content.Import
         /// <summary>
         /// True if calculate model tangents, otherwise will import them.
         /// </summary>
-        [EditorOrder(40), DefaultValue(true), EditorDisplay("Geometry"), Tooltip("Enable model tangent vectors recalculating")]
-        public bool CalculateTangents { get; set; } = true;
+        [EditorOrder(40), DefaultValue(false), EditorDisplay("Geometry"), Tooltip("Enable model tangent vectors recalculating")]
+        public bool CalculateTangents { get; set; } = false;
 
         /// <summary>
         /// Calculated normals smoothing angle.
diff --git a/Source/Engine/Tools/ModelTool/ModelTool.OpenFBX.cpp b/Source/Engine/Tools/ModelTool/ModelTool.OpenFBX.cpp
index 6bc9846c8..dd1873bab 100644
--- a/Source/Engine/Tools/ModelTool/ModelTool.OpenFBX.cpp
+++ b/Source/Engine/Tools/ModelTool/ModelTool.OpenFBX.cpp
@@ -514,7 +514,7 @@ bool ProcessMesh(OpenFbxImporterData& data, const ofbx::Mesh* aMesh, MeshData& m
     }
 
     // Normals
-    if (data.Options.CalculateNormals)
+    if (data.Options.CalculateNormals || !normals)
     {
         if (mesh.GenerateNormals(data.Options.SmoothingNormalsAngle))
         {
@@ -540,7 +540,7 @@ bool ProcessMesh(OpenFbxImporterData& data, const ofbx::Mesh* aMesh, MeshData& m
     }
 
     // Tangents
-    if (data.Options.CalculateTangents && mesh.UVs.HasItems())
+    if ((data.Options.CalculateTangents || !tangents) && mesh.UVs.HasItems())
     {
         if (mesh.GenerateTangents(data.Options.SmoothingTangentsAngle))
         {
diff --git a/Source/Engine/Tools/ModelTool/ModelTool.h b/Source/Engine/Tools/ModelTool/ModelTool.h
index cbc5ff83e..525f8f1ba 100644
--- a/Source/Engine/Tools/ModelTool/ModelTool.h
+++ b/Source/Engine/Tools/ModelTool/ModelTool.h
@@ -170,7 +170,7 @@ public:
         float SmoothingNormalsAngle = 175.0f;
         bool FlipNormals = false;
         float SmoothingTangentsAngle = 45.0f;
-        bool CalculateTangents = true;
+        bool CalculateTangents = false;
         bool OptimizeMeshes = true;
         bool MergeMeshes = true;
         bool ImportLODs = true;