diff --git a/src/Rules.LXcray.mk b/src/Rules.LXcray.mk
index 2fb71c0a0aa5643e5ad788a7ab8aede026bfc13a..d21f8318df6236687ea32d9e8aec8a5f072bf2d1 100644
--- a/src/Rules.LXcray.mk
+++ b/src/Rules.LXcray.mk
@@ -80,7 +80,7 @@ OPT_NOCB  = $(OPT_BASE) $(OPT_PERF2) $(OPT_OPENACC)
 
 OBJS_CONCURRENT=spll_multigrid.o spll_turb_ver_thermo_flux.o
 #spll_resolved_cloud.o 
-$(OBJS_CONCURRENT) : OPT = $(OPT_BASE) $(OPT_PERF2) $(OPT_OPENACC) -h concurrent -rdimo
+$(OBJS_CONCURRENT) : OPT = $(OPT_BASE) $(OPT_PERF2) $(OPT_OPENACC) -h concurrent -rimo
 
 endif
 ifeq "$(OPTLEVEL)" "OPENACCNOBITREP"