diff --git a/config/ifort.cfg b/config/ifort.cfg
index 255438cc..b04506d4 100644
--- a/config/ifort.cfg
+++ b/config/ifort.cfg
@@ -32,7 +32,7 @@ OPENMP  : 1          ; Append OpenMP flags
 #
 [OPT]
 FC       : -traceback
-FCFLAGS  : -xHost  -O0 -ip -ftz -g
+FCFLAGS  : -xHost  -O2 -ip -ftz -g
 
 # Profiling flags
 #################