diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02f72b920..812d0700d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -145,6 +145,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fix is_cidr6_block() and is_short_range_network(). [#337](https://github.com/greenbone/gvm-libs/pull/337)
 - Fix S/MIME keylist and improve error handling [#345](https://github.com/greenbone/gvm-libs/pull/345)
 - Fix interrupted state by sending correct number of dead hosts. [#371](https://github.com/greenbone/gvm-libs/pull/371)
+- Fix uninitialized variable error of the gcc. [#477](https://github.com/greenbone/gvm-libs/pull/477)
 
 ### Removed
 - Remove parallel from target options [#347](https://github.com/greenbone/gvm-libs/pull/347)
diff --git a/boreas/alivedetection.c b/boreas/alivedetection.c
index 79001dc9c..dfa3a1278 100644
--- a/boreas/alivedetection.c
+++ b/boreas/alivedetection.c
@@ -78,8 +78,8 @@ scan (alive_test_t alive_test)
   int scandb_id;
   gchar *scan_id;
   /* Following variables are only relevant if only ICMP was chosen. */
-  int remaining_batch;
-  int prev_alive;
+  int remaining_batch = 0;
+  int prev_alive = 0;
   gboolean limit_reached_handled = FALSE; /* Scan restrictions related. */
 
   gettimeofday (&start_time, NULL);