diff --git a/tests/unit/algorithm/construct/MaximumInscribedCircleTest.cpp b/tests/unit/algorithm/construct/MaximumInscribedCircleTest.cpp
index b3d47393af..273ffd2cb4 100644
--- a/tests/unit/algorithm/construct/MaximumInscribedCircleTest.cpp
+++ b/tests/unit/algorithm/construct/MaximumInscribedCircleTest.cpp
@@ -204,6 +204,18 @@ void object::test<8>
     } catch (const util::GEOSException & e) {}
 }
 
+//
+// https://github.com/libgeos/geos/pull/1225
+//
+template<>
+template<>
+void object::test<11>
+()
+{
+    checkCircle("POLYGON((0 -10,-7.07107 -7.07107,-10 0,-7.07107 7.07107,0 10,7.07107 7.07107,10 0,7.07107 -7.07107,0 -10))",
+        0.1, 0, 0, 9.2387);
+}
+
 
 
 } // namespace tut