diff --git a/common/eda_shape.cpp b/common/eda_shape.cpp
index 7e43282e37..a7182ca809 100644
--- a/common/eda_shape.cpp
+++ b/common/eda_shape.cpp
@@ -2147,7 +2147,7 @@ int EDA_SHAPE::Compare( const EDA_SHAPE* aOther ) const
 
     if( m_shape == SHAPE_T::ARC )
     {
-        TEST_PT( m_arcCenter, aOther->m_arcCenter );
+        TEST_PT( GetArcMid(), aOther->GetArcMid() );
     }
     else if( m_shape == SHAPE_T::BEZIER )
     {
diff --git a/pcbnew/drc/drc_test_provider_library_parity.cpp b/pcbnew/drc/drc_test_provider_library_parity.cpp
index 339da83aba..77767b0f09 100644
--- a/pcbnew/drc/drc_test_provider_library_parity.cpp
+++ b/pcbnew/drc/drc_test_provider_library_parity.cpp
@@ -161,7 +161,7 @@ bool primitiveNeedsUpdate( const std::shared_ptr<PCB_SHAPE>& a,
 
         // Arc center is calculated and so may have round-off errors when parents are
         // differentially rotated.
-        if( ( a->GetCenter() - b->GetCenter() ).EuclideanNorm() > pcbIUScale.mmToIU( 0.0005 ) )
+        if( ( a->GetArcMid() - b->GetArcMid() ).EuclideanNorm() > pcbIUScale.mmToIU( 0.0005 ) )
             return true;
 
         break;
@@ -448,7 +448,7 @@ bool shapeNeedsUpdate( const PCB_SHAPE& curr_shape, const PCB_SHAPE& ref_shape )
 
         // Arc center is calculated and so may have round-off errors when parents are
         // differentially rotated.
-        if( ( curr_shape.GetCenter() - ref_shape.GetCenter() ).EuclideanNorm() > pcbIUScale.mmToIU( 0.0005 ) )
+        if( ( curr_shape.GetArcMid() - ref_shape.GetArcMid() ).EuclideanNorm() > pcbIUScale.mmToIU( 0.0005 ) )
             return true;
 
         break;
diff --git a/qa/data/config/9.99/kicad_common.json b/qa/data/config/9.99/kicad_common.json
index 955153ea26..8b18ebc5ed 100644
--- a/qa/data/config/9.99/kicad_common.json
+++ b/qa/data/config/9.99/kicad_common.json
@@ -90,6 +90,6 @@
     "pdf_viewer_name": "",
     "text_editor": "/usr/bin/open -e",
     "use_system_pdf_viewer": true,
-    "working_dir": "/home/mike/Projects/src/kicad/qa/tests"
+    "working_dir": "/home/wayne/src/kicad/qa/tests"
   }
 }