diff --git a/src/OpenFTTH.GDBIntegrator.GeoDatabase/OpenFTTH.GDBIntegrator.GeoDatabase.csproj b/src/OpenFTTH.GDBIntegrator.GeoDatabase/OpenFTTH.GDBIntegrator.GeoDatabase.csproj
index d0123b0..ea4e139 100644
--- a/src/OpenFTTH.GDBIntegrator.GeoDatabase/OpenFTTH.GDBIntegrator.GeoDatabase.csproj
+++ b/src/OpenFTTH.GDBIntegrator.GeoDatabase/OpenFTTH.GDBIntegrator.GeoDatabase.csproj
@@ -22,6 +22,7 @@
     <None Update="Postgres/SchemaMigration/Scripts/update_and_create_trigger_changes.sql" CopyToOutputDirectory="PreserveNewest" />
     <None Update="Postgres/SchemaMigration/Scripts/set_valid_geometry_constraint_route_network.sql" CopyToOutputDirectory="PreserveNewest" />
     <None Update="Postgres/SchemaMigration/Scripts/set_not_null_constraint_route_network.sql" CopyToOutputDirectory="PreserveNewest" />
+    <None Update="Postgres/SchemaMigration/Scripts/set_constraint_is_simple_route_network.sql" CopyToOutputDirectory="PreserveNewest" />
   </ItemGroup>
 
 </Project>
diff --git a/src/OpenFTTH.GDBIntegrator.GeoDatabase/Postgres/SchemaMigration/1710080321_AddConstraintIsSimpleGeometryRouteNetwork.cs b/src/OpenFTTH.GDBIntegrator.GeoDatabase/Postgres/SchemaMigration/1710080321_AddConstraintIsSimpleGeometryRouteNetwork.cs
new file mode 100644
index 0000000..234ccd0
--- /dev/null
+++ b/src/OpenFTTH.GDBIntegrator.GeoDatabase/Postgres/SchemaMigration/1710080321_AddConstraintIsSimpleGeometryRouteNetwork.cs
@@ -0,0 +1,20 @@
+using FluentMigrator;
+using System.IO;
+
+namespace OpenFTTH.GDBIntegrator.GeoDatabase.Postgres.SchemaMigration
+{
+    [Migration(1710080321)]
+    public class AddConstraintIsSimpleGeometryRouteNetwork : Migration
+    {
+        public override void Up()
+        {
+            Execute.Script(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location)
+                           + "/Postgres/SchemaMigration/Scripts/set_constraint_is_simple_route_network.sql");
+        }
+
+        public override void Down()
+        {
+            // This is a hard change to do and needs to be resolved manually if a down is needed to be done.
+        }
+    }
+}
diff --git a/src/OpenFTTH.GDBIntegrator.GeoDatabase/Postgres/SchemaMigration/Scripts/set_constraint_is_simple_route_network.sql b/src/OpenFTTH.GDBIntegrator.GeoDatabase/Postgres/SchemaMigration/Scripts/set_constraint_is_simple_route_network.sql
new file mode 100644
index 0000000..b10b860
--- /dev/null
+++ b/src/OpenFTTH.GDBIntegrator.GeoDatabase/Postgres/SchemaMigration/Scripts/set_constraint_is_simple_route_network.sql
@@ -0,0 +1,2 @@
+ALTER TABLE route_network.route_node ADD CONSTRAINT CHECK_IS_SIMPLE_GEOMETRY CHECK (st_issimple(coord));
+ALTER TABLE route_network.route_segment ADD CONSTRAINT CHECK_IS_SIMPLE_GEOMETRY CHECK (st_issimple(coord));