diff --git a/libs/kimath/include/math/vector2d.h b/libs/kimath/include/math/vector2d.h
index 071258ace0..7ad7fc3d65 100644
--- a/libs/kimath/include/math/vector2d.h
+++ b/libs/kimath/include/math/vector2d.h
@@ -356,8 +356,8 @@ VECTOR2<T> VECTOR2<T>::Resize( T aNewLength ) const
     extended_type y_sq = (extended_type) y * y;
     extended_type l_sq = x_sq + y_sq;
     extended_type newLength_sq = (extended_type) aNewLength * aNewLength;
-    extended_type newX = std::sqrt( rescale( newLength_sq, x_sq, l_sq ) );
-    extended_type newY = std::sqrt( rescale( newLength_sq, y_sq, l_sq ) );
+    double newX = std::sqrt( rescale( newLength_sq, x_sq, l_sq ) );
+    double newY = std::sqrt( rescale( newLength_sq, y_sq, l_sq ) );
 
     if( std::is_integral<T>::value )
     {
diff --git a/qa/tests/libs/kimath/math/test_vector2.cpp b/qa/tests/libs/kimath/math/test_vector2.cpp
index 5a03244f3f..402ac767b9 100644
--- a/qa/tests/libs/kimath/math/test_vector2.cpp
+++ b/qa/tests/libs/kimath/math/test_vector2.cpp
@@ -53,16 +53,18 @@ BOOST_AUTO_TEST_CASE( test_dot_product, *boost::unit_test::tolerance( 0.000001 )
 
 BOOST_AUTO_TEST_CASE( test_resize, *boost::unit_test::tolerance( 0.000001 ) )
 {
-    // a few vectors just to ensure the sign change happens as needed
+    // just some arbitrary vectors
     VECTOR2I v1( 4, 3 );
     VECTOR2I v2( 5, -1 );
     VECTOR2I v3( -2, 1 );
     VECTOR2I v4( 1, 1 );
+    VECTOR2I v5( -70, -70 );
 
-    BOOST_CHECK( v1.Resize( 8 ) == VECTOR2I( 6, 4 ) );
-    BOOST_CHECK( v2.Resize( 10 ) == VECTOR2I( 9, -2 ) );
-    BOOST_CHECK( v3.Resize( 4 ) == VECTOR2I( -3, 1 ) );
+    BOOST_CHECK( v1.Resize( 8 ) == VECTOR2I( 6, 5 ) );
+    BOOST_CHECK( v2.Resize( 10 ) == VECTOR2I( 10, -2 ) );
+    BOOST_CHECK( v3.Resize( 4 ) == VECTOR2I( -4, 2 ) );
     BOOST_CHECK( v4.Resize( 1 ) == VECTOR2I( 1, 1 ) );
+    BOOST_CHECK( v5.Resize( 100 ) == VECTOR2I( -71, -71 ) );
 }
 
 BOOST_AUTO_TEST_SUITE_END()