diff --git a/autotest/gdrivers/gpkg.py b/autotest/gdrivers/gpkg.py
index 6cfafe63332d..b0d40461a8d5 100755
--- a/autotest/gdrivers/gpkg.py
+++ b/autotest/gdrivers/gpkg.py
@@ -1204,7 +1204,7 @@ def test_gpkg_15():
     # Repeated SetProjection()
     out_ds = gdal.Open('/vsimem/tmp.gpkg', gdal.GA_Update)
     assert out_ds.GetSpatialRef().IsLocal()
-    assert out_ds.GetProjectionRef().find('Undefined cartesian SRS') >= 0
+    assert out_ds.GetProjectionRef().find('Undefined Cartesian SRS') >= 0
     srs = osr.SpatialReference()
     srs.ImportFromEPSG(4326)
     ret = out_ds.SetProjection(srs.ExportToWkt())
@@ -1219,7 +1219,7 @@ def test_gpkg_15():
 
     out_ds = gdal.Open('/vsimem/tmp.gpkg')
     assert out_ds.GetSpatialRef().IsLocal()
-    assert out_ds.GetProjectionRef().find('Undefined cartesian SRS') >= 0
+    assert out_ds.GetProjectionRef().find('Undefined Cartesian SRS') >= 0
     # Test setting on read-only dataset
     gdal.PushErrorHandler()
     ret = out_ds.SetProjection('')
@@ -3226,12 +3226,12 @@ def test_gpkg_wkt2():
 
     lyr = ds.ExecuteSQL('SELECT * FROM gpkg_spatial_ref_sys ORDER BY srs_id')
     f = lyr.GetNextFeature()
-    assert f.GetField('srs_name') == 'Undefined cartesian SRS'
+    assert f.GetField('srs_name') == 'Undefined Cartesian SRS'
     assert f.GetField('srs_id') == -1
     assert f.GetField('organization') == 'NONE'
     assert f.GetField('organization_coordsys_id') == -1
     assert f.GetField('definition') == 'undefined'
-    assert f.GetField('description') == 'undefined cartesian coordinate reference system'
+    assert f.GetField('description') == 'undefined Cartesian coordinate reference system'
     assert f.GetField('definition_12_063') == 'undefined'
 
     lyr.GetNextFeature()
diff --git a/autotest/ogr/ogr_gpkg.py b/autotest/ogr/ogr_gpkg.py
index 5941252dc856..a25e024011d2 100755
--- a/autotest/ogr/ogr_gpkg.py
+++ b/autotest/ogr/ogr_gpkg.py
@@ -1631,11 +1631,11 @@ def test_ogr_gpkg_write_srs_undefined_geographic():
     gdal.Unlink('tmp/ogr_gpkg_srs_undefined_geographic.gpkg')
 
 
-def test_ogr_gpkg_write_srs_undefined_cartesian():
+def test_ogr_gpkg_write_srs_undefined_Cartesian():
 
-    gdal.Unlink('tmp/ogr_gpkg_srs_cartesian.gpkg')
+    gdal.Unlink('tmp/ogr_gpkg_srs_Cartesian.gpkg')
 
-    gpkg_ds = gdaltest.gpkg_dr.CreateDataSource('tmp/ogr_gpkg_srs_cartesian.gpkg')
+    gpkg_ds = gdaltest.gpkg_dr.CreateDataSource('tmp/ogr_gpkg_srs_Cartesian.gpkg')
     assert gpkg_ds is not None
 
     # Check initial default SRS entries in gpkg_spatial_ref_sys
@@ -1645,14 +1645,14 @@ def test_ogr_gpkg_write_srs_undefined_cartesian():
     gpkg_ds.ReleaseResultSet(sql_lyr)
 
     srs= osr.SpatialReference()
-    srs.SetFromUserInput('LOCAL_CS["Undefined cartesian SRS"]')
-    lyr = gpkg_ds.CreateLayer('srs_test_cartesian_layer', geom_type=ogr.wkbPoint, srs=srs)
+    srs.SetFromUserInput('LOCAL_CS["Undefined Cartesian SRS"]')
+    lyr = gpkg_ds.CreateLayer('srs_test_Cartesian_layer', geom_type=ogr.wkbPoint, srs=srs)
     srs_wkt = lyr.GetSpatialRef().ExportToWkt()
-    assert srs_wkt.find('Undefined cartesian SRS') >= 0
+    assert srs_wkt.find('Undefined Cartesian SRS') >= 0
     assert lyr.GetSpatialRef().IsLocal()
 
     gpkg_ds = None
-    gpkg_ds = ogr.Open('tmp/ogr_gpkg_srs_cartesian.gpkg')
+    gpkg_ds = ogr.Open('tmp/ogr_gpkg_srs_Cartesian.gpkg')
 
     # Check no new SRS entries have been inserted into gpkg_spatial_ref_sys
     sql_lyr = gpkg_ds.ExecuteSQL("SELECT COUNT(*) FROM gpkg_spatial_ref_sys")
@@ -1661,11 +1661,11 @@ def test_ogr_gpkg_write_srs_undefined_cartesian():
 
     lyr = gpkg_ds.GetLayer(0)
     srs_wkt = lyr.GetSpatialRef().ExportToWkt()
-    assert srs_wkt.find('Undefined cartesian SRS') >= 0, srs_wkt
+    assert srs_wkt.find('Undefined Cartesian SRS') >= 0, srs_wkt
     assert lyr.GetSpatialRef().IsLocal()
 
     gpkg_ds = None
-    gdal.Unlink('tmp/ogr_gpkg_srs_cartesian.gpkg')
+    gdal.Unlink('tmp/ogr_gpkg_srs_Cartesian.gpkg')
 
 ###############################################################################
 # Test maximum width of text fields
diff --git a/gdal/ogr/ogrsf_frmts/gpkg/ogrgeopackagedatasource.cpp b/gdal/ogr/ogrsf_frmts/gpkg/ogrgeopackagedatasource.cpp
index 143b39deb91e..524046b87b00 100644
--- a/gdal/ogr/ogrsf_frmts/gpkg/ogrgeopackagedatasource.cpp
+++ b/gdal/ogr/ogrsf_frmts/gpkg/ogrgeopackagedatasource.cpp
@@ -360,7 +360,7 @@ OGRSpatialReference* GDALGeoPackageDataset::GetSpatialRef(int iSrsId,
         }
         else if( iSrsId == -1)
         {
-            poSpatialRef->SetLocalCS("Undefined cartesian SRS");
+            poSpatialRef->SetLocalCS("Undefined Cartesian SRS");
             poSpatialRef->SetLinearUnits( SRS_UL_METER, 1.0 );
         }
 
@@ -582,7 +582,7 @@ int GDALGeoPackageDataset::GetSrsId(const OGRSpatialReference& oSRS)
             if (EQUAL(pszName, "Undefined geographic SRS"))
                 return 0;
 
-            if (EQUAL(pszName, "Undefined cartesian SRS"))
+            if (EQUAL(pszName, "Undefined Cartesian SRS"))
                 return -1;
         }
     }
@@ -932,7 +932,7 @@ GDALGeoPackageDataset::GDALGeoPackageDataset() :
     m_bMetadataDirty(false),
     m_bRecordInsertedInGPKGContent(false),
     m_bGeoTransformValid(false),
-    m_nSRID(-1),  // Unknown cartesian.
+    m_nSRID(-1),  // Unknown Cartesian.
     m_dfTMSMinX(0.0),
     m_dfTMSMaxY(0.0),
     m_nOverviewCount(0),
@@ -4179,7 +4179,7 @@ int GDALGeoPackageDataset::Create( const char * pszFilename,
             osSQL += ", definition_12_063";
         osSQL +=
             ") VALUES ("
-            "'Undefined cartesian SRS', -1, 'NONE', -1, 'undefined', 'undefined cartesian coordinate reference system'";
+            "'Undefined Cartesian SRS', -1, 'NONE', -1, 'undefined', 'undefined Cartesian coordinate reference system'";
         if( m_bHasDefinition12_063 )
             osSQL += ", 'undefined'";
         osSQL +=