diff --git a/pcbnew/plugins/altium/altium_parser_pcb.cpp b/pcbnew/plugins/altium/altium_parser_pcb.cpp
index b9d49e09e3..fbb7c2a082 100644
--- a/pcbnew/plugins/altium/altium_parser_pcb.cpp
+++ b/pcbnew/plugins/altium/altium_parser_pcb.cpp
@@ -1059,6 +1059,9 @@ AREGION6::AREGION6( ALTIUM_PARSER& aReader, bool aExtendedVertices )
 
     uint32_t num_outline_vertices = aReader.Read<uint32_t>();
 
+    if( aExtendedVertices )
+        num_outline_vertices++; // Has a closing vertex
+
     for( uint32_t i = 0; i < num_outline_vertices; i++ )
     {
         if( aExtendedVertices )
@@ -1080,21 +1083,17 @@ AREGION6::AREGION6( ALTIUM_PARSER& aReader, bool aExtendedVertices )
         }
     }
 
-    // TODO: for now we only support holes in regions where there are stored as double
-    if( !aExtendedVertices )
+    holes.resize( holecount );
+    for( uint16_t k = 0; k < holecount; k++ )
     {
-        holes.resize( holecount );
-        for( uint16_t k = 0; k < holecount; k++ )
-        {
-            uint32_t num_hole_vertices = aReader.Read<uint32_t>();
-            holes.at( k ).reserve( num_hole_vertices );
+        uint32_t num_hole_vertices = aReader.Read<uint32_t>();
+        holes.at( k ).reserve( num_hole_vertices );
 
-            for( uint32_t i = 0; i < num_hole_vertices; i++ )
-            {
-                int32_t x = ALTIUM_PARSER::ConvertToKicadUnit( aReader.Read<double>() );
-                int32_t y = ALTIUM_PARSER::ConvertToKicadUnit( -aReader.Read<double>() );
-                holes.at( k ).emplace_back( VECTOR2I( x, y ) );
-            }
+        for( uint32_t i = 0; i < num_hole_vertices; i++ )
+        {
+            int32_t x = ALTIUM_PARSER::ConvertToKicadUnit( aReader.Read<double>() );
+            int32_t y = ALTIUM_PARSER::ConvertToKicadUnit( -aReader.Read<double>() );
+            holes.at( k ).emplace_back( VECTOR2I( x, y ) );
         }
     }
 
diff --git a/pcbnew/plugins/altium/altium_pcb.cpp b/pcbnew/plugins/altium/altium_pcb.cpp
index e711592d27..db5fc47168 100644
--- a/pcbnew/plugins/altium/altium_pcb.cpp
+++ b/pcbnew/plugins/altium/altium_pcb.cpp
@@ -1993,9 +1993,23 @@ void ALTIUM_PCB::ConvertShapeBasedRegions6ToBoardItemOnLayer( const AREGION6& aE
         return;
     }
 
+    SHAPE_POLY_SET polySet;
+    polySet.AddOutline( linechain );
+
+    for( const std::vector<ALTIUM_VERTICE>& hole : aElem.holes )
+    {
+        SHAPE_LINE_CHAIN hole_linechain;
+        HelperShapeLineChainFromAltiumVertices( hole_linechain, hole );
+
+        if( hole_linechain.PointCount() < 3 )
+            continue;
+
+        polySet.AddHole( hole_linechain );
+    }
+
     PCB_SHAPE* shape = new PCB_SHAPE( m_board, SHAPE_T::POLY );
 
-    shape->SetPolyShape( linechain );
+    shape->SetPolyShape( polySet );
     shape->SetFilled( true );
     shape->SetLayer( aLayer );
     shape->SetStroke( STROKE_PARAMS( 0 ) );