diff --git a/COBOL/Gnu/build.sh b/COBOL/Gnu/build.sh
index 1632b7c3..2e4a3e7d 100755
--- a/COBOL/Gnu/build.sh
+++ b/COBOL/Gnu/build.sh
@@ -1 +1 @@
-cobc --free --std=mf -O GildedRose.cbl
+cobc --free --std=mf -O *.cbl