diff --git a/JikanOptions.h b/JikanOptions.h
index a16608b11f1693b4ccd5e6b3dfb3b599c2e7926d..8d46e31974ae6c4a81a0deca56bd1e2ff7e684ff 100644
--- a/JikanOptions.h
+++ b/JikanOptions.h
@@ -4,7 +4,7 @@
 #define SAVE_TIME_SERIES
 #undef  INCLUDE_GPU_TIMER
 #undef  INCLUDE_OPEN_MP
-#define INCLUDE_MPI
+#undef INCLUDE_MPI
 #define OUTPUT_NAME "Jikan-output"
 
 #ifdef INCLUDE_MPI