diff --git a/plugins/input/gdal/gdal_featureset.cpp b/plugins/input/gdal/gdal_featureset.cpp
index 5503a5a69..47dfdf4cb 100644
--- a/plugins/input/gdal/gdal_featureset.cpp
+++ b/plugins/input/gdal/gdal_featureset.cpp
@@ -399,6 +399,25 @@ feature_ptr gdal_featureset::get_feature(mapnik::query const& q)
                 feature->set_raster(raster);
                 break;
             }
+            case GDT_Int32:
+            {
+                mapnik::image_gray32s image(im_width, im_height);
+                image.set(std::numeric_limits<std::int32_t>::max());
+                raster_nodata = band->GetNoDataValue(&raster_has_nodata);
+                raster_io_error = band->RasterIO(GF_Read, x_off, y_off, width, height,
+                                                 image.data(), image.width(), image.height(),
+                                                 GDT_Int32, 0, 0);
+                if (raster_io_error == CE_Failure)
+                {
+                    throw datasource_exception(CPLGetLastErrorMsg());
+                }
+                mapnik::raster_ptr raster = std::make_shared<mapnik::raster>(feature_raster_extent, intersect, image, filter_factor);
+                // set nodata value to be used in raster colorizer
+                if (nodata_value_) raster->set_nodata(*nodata_value_);
+                else raster->set_nodata(raster_nodata);
+                feature->set_raster(raster);
+                break;
+            }
             default:
             case GDT_Int16:
             {
diff --git a/test/data b/test/data
index b4aa4c462..6636c0455 160000
--- a/test/data
+++ b/test/data
@@ -1 +1 @@
-Subproject commit b4aa4c462fd827c388805ddeb5a163edefd62c7e
+Subproject commit 6636c04550c489db52180c47325513cf9bc09d6d
diff --git a/test/data-visual b/test/data-visual
index 6a1af6c24..629fefc69 160000
--- a/test/data-visual
+++ b/test/data-visual
@@ -1 +1 @@
-Subproject commit 6a1af6c24b2f5b15f1165b33efb4ce339c955a4c
+Subproject commit 629fefc6994033085e55d8532e0a7b4b45227290