diff --git a/env.sh b/env.sh
index decf85096..ef2e47058 100755
--- a/env.sh
+++ b/env.sh
@@ -1,7 +1,11 @@
 #!/bin/sh
 
+PWD_CMD="pwd"
+# get native Windows paths on Mingw
+uname | grep -qi mingw && PWD_CMD="pwd -W"
+
 rel_path="$(dirname $0)"
-abs_path="$(cd $rel_path; pwd)"
+abs_path="$(cd $rel_path; ${PWD_CMD})"
 
 # make it an absolute path, so we can call this script from other dirs
 export PATH="${abs_path}/vendor/Nim/bin:$PATH"