diff --git a/crypto/ct/ct_sct.c b/crypto/ct/ct_sct.c
index 2b7211d7ea..8290945e51 100644
--- a/crypto/ct/ct_sct.c
+++ b/crypto/ct/ct_sct.c
@@ -317,12 +317,11 @@ int SCT_set_source(SCT *sct, sct_source_t source)
 
 int SCT_LIST_set_source(const STACK_OF(SCT) *scts, sct_source_t source)
 {
-    int i, ret = 1;
+    int i, ret = 0;
 
     for (i = 0; i < sk_SCT_num(scts); ++i) {
-        ret = SCT_set_source(sk_SCT_value(scts, i), source);
-        if (ret != 1)
-            break;
+        if (SCT_set_source(sk_SCT_value(scts, i), source))
+            ++ret;
     }
 
     return ret;
diff --git a/include/openssl/ct.h b/include/openssl/ct.h
index 6d2182f796..7a19053018 100644
--- a/include/openssl/ct.h
+++ b/include/openssl/ct.h
@@ -305,7 +305,7 @@ int SCT_set_source(SCT *sct, sct_source_t source);
 
 /*
  * Sets the source of all of the SCTs to the same value.
- * Returns 1 on success.
+ * Returns the number of SCTs whose source was set successfully.
  */
 int SCT_LIST_set_source(const STACK_OF(SCT) *scts, sct_source_t source);