diff --git a/ZUKER/Makefile b/ZUKER/Makefile
index c16303c..eaf3c1f 100755
--- a/ZUKER/Makefile
+++ b/ZUKER/Makefile
@@ -6,7 +6,7 @@
 
 #CFLAGS = -e -Bstatic 
 CFLAGS = -g
-FC = g77
+FC = gfortran
 
 all: lrna crna