diff --git a/iscsi-scst/kernel/param.c b/iscsi-scst/kernel/param.c
index 525cd633a..3a703bf3b 100644
--- a/iscsi-scst/kernel/param.c
+++ b/iscsi-scst/kernel/param.c
@@ -50,7 +50,7 @@ do {										\
 })
 
 #define	GET_PARAM(params, info, iparams, word)	\
-	(iparams)[key_##word] = (params)->word
+	((iparams)[key_##word] = (params)->word)
 
 const char *iscsi_get_bool_value(int val)
 {