diff --git a/TestScripts/cryptest-autotools.sh b/TestScripts/cryptest-autotools.sh
index 84ec59b0..1ed62590 100755
--- a/TestScripts/cryptest-autotools.sh
+++ b/TestScripts/cryptest-autotools.sh
@@ -2,7 +2,7 @@
 
 PWD_DIR=$(pwd)
 function cleanup {
-    cd "$PWD_DIR"
+	cd "$PWD_DIR"
 }
 trap cleanup EXIT
 
@@ -122,8 +122,9 @@ chmod +w config.sub
 mv config.sub.new config.sub
 chmod +x config.sub
 
-if [[ "$IS_DARWIN" -ne 0 ]]; then
-    xattrib -r com.apple.quarantine config.sub &>/dev/null
+if [[ "$IS_DARWIN" -ne 0 ]] && [[ -n $(command -v xattr) ]]; then
+	echo "Removing config.sub quarantine"
+	xattr -d "com.apple.quarantine" config.sub &>/dev/null
 fi
 
 echo "Updating config.guess"
@@ -134,8 +135,9 @@ chmod +w config.guess
 mv config.guess.new config.guess
 chmod +x config.guess
 
-if [[ "$IS_DARWIN" -ne 0 ]]; then
-    xattrib -r com.apple.quarantine config.guess &>/dev/null
+if [[ "$IS_DARWIN" -ne 0 ]] && [[ -n $(command -v xattr) ]]; then
+	echo "Removing config.guess quarantine"
+	xattr -d "com.apple.quarantine" config.guess &>/dev/null
 fi
 
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