diff --git a/security/min_addr.c b/security/min_addr.c
index e86f297..f728728 100644
--- a/security/min_addr.c
+++ b/security/min_addr.c
@@ -33,7 +33,7 @@
 {
 	int ret;
 
-	if (!capable(CAP_SYS_RAWIO))
+	if (write && !capable(CAP_SYS_RAWIO))
 		return -EPERM;
 
 	ret = proc_doulongvec_minmax(table, write, buffer, lenp, ppos);