1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 14bb7ad..8b96ac9 100644
--- a/Makefile
+++ b/Makefile
@@ -92,7 +92,7 @@ else
 ifeq ($(CC),gcc)
 OPTIMISE = -Ofast
 else
-OPTIMISE = -O6
+OPTIMISE = -O
 endif
 endif