diff --git a/winnt-ci.sh b/winnt-ci.sh
index 43197f071c5768e2731dc5d2ec5035d3c9af4a89..040dc89a155773731103705172f163ca712f5d72 100644
--- a/winnt-ci.sh
+++ b/winnt-ci.sh
@@ -1,7 +1,10 @@
 #!/usr/bin/sh
 make -fNTMakeFile
 strip -s netrunner.exe
-mkdir bin
-mv *.pnm *.crt *.ttf *.dll bin &1> /dev/null
-mv LICENSE bin &1> /dev/null
-mv netrunner.exe bin &1> /dev/null
\ No newline at end of file
+[ -e bin ] || mkdir bin
+[ -e *.pnm ] || mv *.pnm bin
+[ -e *.crt ] || mv *.crt bin
+[ -e *.ttf ] || mv *.ttf bin
+[ -e *.dll ] || mv *.dll bin
+[ -e LICENSE ] || mv LICENSE bin
+mv netrunner.exe bin
\ No newline at end of file