diff --git a/iguana/exchanges/Makefile b/iguana/exchanges/Makefile
index 0048287e2..f12cccf2e 100644
--- a/iguana/exchanges/Makefile
+++ b/iguana/exchanges/Makefile
@@ -4,5 +4,5 @@
 include ../crypto777/crypto777.sources
 
 all:
-	emcc -s ASSERTIONS=1 -s ASYNCIFY=1 -s TOTAL_MEMORY=134217728 --preload-file coins.json -D__PNACL -DFROM_JS -O2 -I../includes -I../crypto777 -s PTHREAD_POOL_SIZE=8 -s USE_PTHREADS=1 -o /var/www/html/index.html exchanges/mm.c $(CRYPTO777_SRCS) mini-gmp.c secp256k1/src/secp256k1.c -lm 
+	emcc -s ASSERTIONS=1 -s ASYNCIFY=1 -s TOTAL_MEMORY=134217728 --preload-file coins.json -D__PNACL -DFROM_JS -O2 -I../includes -I../crypto777 -s PTHREAD_POOL_SIZE=8 -s USE_PTHREADS=1 -o /var/www/html/index.html exchanges/mm.c $(CRYPTO777_SRCS) mini-gmp.c secp256k1/src/secp256k1.c -lm -lc