diff --git a/.gitlab/ci/jobs/debian-oldstable-amd64.yml b/.gitlab/ci/jobs/debian-oldstable-amd64.yml
index 90b0a3023..a59dd43d4 100644
--- a/.gitlab/ci/jobs/debian-oldstable-amd64.yml
+++ b/.gitlab/ci/jobs/debian-oldstable-amd64.yml
@@ -20,7 +20,7 @@ Debian oldstable:amd64:
     - - |
           # apt_toolchain
           echo -e "\e[0Ksection_start:`date +%s`:apt_toolchain[collapsed=true]\r\e[0KInstalling toolchain packages"
-      - apt-get install ++-x86-64-linux-gnu || apt-get install g++
+      - apt-get install g++-x86-64-linux-gnu || apt-get install g++
       - |
           # apt_toolchain
           echo -e "\e[0Ksection_end:`date +%s`:apt_toolchain\r\e[0K"