diff --git a/lib/latte/Makefile.lammps.ifort b/lib/latte/Makefile.lammps.ifort
index b71b21cca8deb2a3bddb7721d87218ceecb0a865..90010210af583dfd2a38823a82f64222ea0c460a 100644
--- a/lib/latte/Makefile.lammps.ifort
+++ b/lib/latte/Makefile.lammps.ifort
@@ -6,7 +6,7 @@ latte_SYSINC =
 latte_SYSLIB = ../../lib/latte/filelink.o \
                -llatte -lifport -lifcore -lsvml -lompstub -limf \
                -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core \
-               -lmkl_intel_thread -lpthread -openmp -O0
+               -lmkl_intel_thread -lpthread -openmp
 latte_SYSPATH = -openmp -L${MKLROOT}/lib/intel64 -lmkl_lapack95_lp64 \
                 -L/opt/intel/composer_xe_2013_sp1.2.144/compiler/lib/intel64