diff --git a/appveyor.yml b/appveyor.yml
index 23a5656..5d1a36a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -41,6 +41,10 @@ test_script:
 after_test:
   - pyinstaller malstroem.spec
   - ps: ls dist
+  # Check that malstroem.exe works
+  - conda deactivate
+  - ps: md test_outdir
+  - ps: dist/malstroem complete -dem tests/data/dtm.tif -outdir test_outdir -r 10
 
 artifacts:
   - path: dist\*
\ No newline at end of file
diff --git a/environment-dev.yml b/environment-dev.yml
index 83f8d3f..d965e2b 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -12,6 +12,7 @@ dependencies:
   - pytest
   - python=3.7
   - scipy
+  - setuptools==44.0.0
   - pip:
     - click-log==0.1.8
 
diff --git a/tests/test_raster_dem.py b/tests/test_raster_dem.py
index 9695845..45bad8c 100644
--- a/tests/test_raster_dem.py
+++ b/tests/test_raster_dem.py
@@ -1,5 +1,5 @@
 import numpy as np
-
+from osgeo import osr
 from malstroem import dem, io
 from data.fixtures import dtmfile, filledfile, flowdirnoflatsfile
 
@@ -27,7 +27,9 @@ def assert_rasters_are_equal(file1, file2):
     reader2 = io.RasterReader(file2)
 
     assert reader1.transform == reader2.transform
-    assert reader1.crs == reader2.crs
+    sr1 = osr.SpatialReference(reader1.crs)
+    sr2 = osr.SpatialReference(reader2.crs)
+    assert sr1.IsSame(sr2), f"CRSs are different: sr1: {sr1.ExportToWkt()} sr2: {sr2.ExportToWkt()}"
 
     data1 = reader1.read()
     data2 = reader2.read()