diff --git a/iguana/m_mm b/iguana/m_mm
index 2e310704b..2a2f6c130 100755
--- a/iguana/m_mm
+++ b/iguana/m_mm
@@ -1,2 +1,2 @@
 cd secp256k1; ./m_unix; cd ..
-gcc -o marketmaker -I../crypto777 exchanges/mm.c mini-gmp.c secp256k1.o ../agents/libcrypto777.a -lnanomsg -lcurl -lpthread -lm
+gcc -g -o marketmaker -I../crypto777 exchanges/mm.c mini-gmp.c secp256k1.o ../agents/libcrypto777.a -lnanomsg -lcurl -lpthread -lm