diff --git a/ssl/ssl_ciph.c b/ssl/ssl_ciph.c
index 038412a92cbd661f0328bcb3d71d55f11944a234..b071a6309fdf21217d8924cb16428409a984160d 100644
--- a/ssl/ssl_ciph.c
+++ b/ssl/ssl_ciph.c
@@ -740,11 +740,11 @@ static int ssl_cipher_process_rulestr(const char *rule_str,
 			if (!found)
 				break;	/* ignore this entry */
 
-			algorithms |= (ca_list[j]->algorithms & ~mask) |
-			              (ca_list[j]->algorithms &	algorithms & mask);
+			algorithms = (ca_list[j]->algorithms & ~mask) |
+			             (ca_list[j]->algorithms &	algorithms & mask);
 			mask |= ca_list[j]->mask;
-			algo_strength |= (ca_list[j]->algo_strength & ~mask_strength) |
-			                 (ca_list[j]->algo_strength & algorithms & mask_strength);
+			algo_strength = (ca_list[j]->algo_strength & ~mask_strength) |
+			                (ca_list[j]->algo_strength & algo_strength & mask_strength);
 			mask_strength |= ca_list[j]->mask_strength;
 
 			if (!multi) break;