diff --git a/free-programming-books.md b/free-programming-books.md
index 6da5ef89af39e6578ab7a8ea95c24cc5d6059e39..bffc92eee18f40aef18dd5c295c333873e6a8b42 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -672,7 +672,7 @@
 
 
 ###COBOL
-* [COBOL Programming Fundamental](http://ibmtc.hust.edu.cn/zos-cobol/cobol/resource/COBOL_Programming_Fundamental.pdf) (PDF)
+* [COBOL Programming Fundamental](http://yusman.staff.gunadarma.ac.id/Downloads/files/33460/COBOL_Programming_Fundamental.pdf) (PDF)
 * [OpenCOBOL 1.1 - Programmer's Guide](http://opencobol.add1tocobol.com/OpenCOBOL%20Programmers%20Guide.pdf) (PDF)