diff --git a/source/compiler/sc2.c b/source/compiler/sc2.c
index 25c0d9d..ac00a18 100644
--- a/source/compiler/sc2.c
+++ b/source/compiler/sc2.c
@@ -1344,7 +1344,7 @@ static int command(void)
             lptr++;
           for (i=0; i<sizeof name && *lptr>' '; i++,lptr++)
             name[i]=*lptr;
-          name[i]='\0';
+          name[i-1]='\0';
           parsesingleoption(name);
         } else {
           error(207);           /* unknown #pragma */