diff --git a/lib/ldpc/Makefile.msk_osx b/lib/ldpc/Makefile.msk_osx
index c5a475bb7..509aed2d2 100644
--- a/lib/ldpc/Makefile.msk_osx
+++ b/lib/ldpc/Makefile.msk_osx
@@ -1,4 +1,5 @@
 # Compilers
+# $(CC) -DRAND_FILE=\"`pwd`/randfile\" rand.c
 CC = gcc
 CXX = g++
 FC = gfortran
@@ -25,7 +26,7 @@ CFLAGS = -O2 -I.
 
 all:	msksim
 
-OBJS = msksim.o alloc.o rcode.o channel.o dec.o enc.o \
+OBJS = msksim.o alloc.o rcode.o dec.o enc.o \
 	intio.o blockio.o check.o open.o mod2dense.o \
 	mod2sparse.o mod2convert.o distrib.o rand.o gran.o
 
@@ -33,7 +34,7 @@ msksim:	$(OBJS)
 	$(FC) -o msksim $(OBJS) 
 
 rand.o:
-	$(CC) -DRAND_FILE=\"`pwd`/randfile\" rand.c
+	$(CC) $(CFLAGS) -DRAND_FILE=\"./randfile\" -c rand.c
         
 clean:
 	$(RM) *.o msksim