diff --git a/smi/src/rt_def.h b/smi/src/rt_def.h
index 10bf73706e9638e56833c0d9a2c2a7f838412fa4..0005fa1d207df5b457df3f404e7d64866d907e45 100644
--- a/smi/src/rt_def.h
+++ b/smi/src/rt_def.h
@@ -22,7 +22,7 @@
 #define INT_S 4
 #ifdef _64
 #define LONG_S 8
-#elif
+#else
 #define LONG_S 4
 #endif
 #define RTIME_S 8