diff --git a/resources/win/apm.sh b/resources/win/apm.sh
index c895f2bce..b50a70a82 100644
--- a/resources/win/apm.sh
+++ b/resources/win/apm.sh
@@ -1,3 +1,4 @@
 #!/bin/sh
 
-"$0/../../app/apm/bin/node.exe" "$0/../../app/apm/lib/cli.js" "$@"
+directory=$(dirname "$0")
+"$directory/../app/apm/bin/node.exe" "$directory/../app/apm/lib/cli.js" "$@"
diff --git a/resources/win/atom.sh b/resources/win/atom.sh
index 8f312a2da..b6edeeb57 100644
--- a/resources/win/atom.sh
+++ b/resources/win/atom.sh
@@ -15,8 +15,10 @@ while getopts ":fhtvw-:" opt; do
   esac
 done
 
+directory=$(dirname "$0")
+
 if [ $EXPECT_OUTPUT ]; then
-  "$(dirname $0)/../../atom.exe" "$@"
+  "$directory/../../atom.exe" "$@"
 else
-  "$(dirname $0)/../app/apm/bin/node.exe" "$0/../atom.js" "$@"
+  "$directory/../app/apm/bin/node.exe" "$directory/atom.js" "$@"
 fi