diff --git a/src/core/dhcp/nm-dhcp-dhclient-utils.c b/src/core/dhcp/nm-dhcp-dhclient-utils.c
index 286f7aa19f..d90291bd81 100644
--- a/src/core/dhcp/nm-dhcp-dhclient-utils.c
+++ b/src/core/dhcp/nm-dhcp-dhclient-utils.c
@@ -239,8 +239,8 @@ read_client_id(const char *str)
                 i += 4;
                 continue;
             }
-            if (s[i] == '\\' && s[i + 1] >= '0' && s[i + 1] <= '7' && s[1 + 2] >= '0'
-                && s[i + 2] <= '7' && s[1 + 3] >= '0' && s[i + 3] <= '7') {
+            if (s[i] == '\\' && s[i + 1] >= '0' && s[i + 1] <= '7' && s[i + 2] >= '0'
+                && s[i + 2] <= '7' && s[i + 3] >= '0' && s[i + 3] <= '7') {
                 s[j++] = ((s[i + 1] - '0') << 6) + ((s[i + 2] - '0') << 3) + (s[i + 3] - '0');
                 i += 4;
                 continue;