diff --git a/code/b-parasite/Makefile b/code/b-parasite/Makefile
index 82040ca..239e232 100644
--- a/code/b-parasite/Makefile
+++ b/code/b-parasite/Makefile
@@ -221,7 +221,7 @@ INC_FOLDERS += \
 LIB_FILES += \
 
 # Optimization flags
-OPT = -O0 -g3
+OPT = -O3 -g3
 # Uncomment the line below to enable link time optimization
 #OPT += -flto