diff --git a/src/farsi.c b/src/farsi.c
index 271e1a7..f7662ac 100644
--- a/src/farsi.c
+++ b/src/farsi.c
@@ -1813,7 +1813,7 @@
 		ptr[i] = toF_leading(ptr[i]);
 		++i;
 
-		while(canF_Rjoin(ptr[i]) && (i < llen))
+		while (canF_Rjoin(ptr[i]) && i < llen)
 		{
 		    ptr[i] = toF_Rjoin(ptr[i]);
 		    if (F_isterm(ptr[i]) || !F_isalpha(ptr[i]))