diff --git a/src/common/scram-common.c b/src/common/scram-common.c
index 51cc12e8c3e..c36ed7124c2 100644
--- a/src/common/scram-common.c
+++ b/src/common/scram-common.c
@@ -74,7 +74,7 @@ scram_SaltedPassword(const char *password,
 	memcpy(result, Ui_prev, key_length);
 
 	/* Subsequent iterations */
-	for (i = 2; i <= iterations; i++)
+	for (i = 1; i < iterations; i++)
 	{
 #ifndef FRONTEND
 		/*