diff --git a/scripts/functions b/scripts/functions
index 667ff84ee..4cc86e0c4 100644
--- a/scripts/functions
+++ b/scripts/functions
@@ -460,7 +460,7 @@ apply_patchfiles() {
 	for x in $patchfiles; do
 		echo "Apply patch $x ..."
 		if [[ $x = *.bz2 ]] ; then
-			bzcat $x | patch $patchopt
+			eval bzcat $x | patch $patchopt
 		else
 			eval patch $patchopt < $x
 		fi