diff --git a/doc-tools-check-languages.conf b/doc-tools-check-languages.conf
index de130c272..5227d06f3 100644
--- a/doc-tools-check-languages.conf
+++ b/doc-tools-check-languages.conf
@@ -5,6 +5,7 @@ declare -A DIRECTORIES=(
 # books to be built
 declare -A BOOKS=(
     ["de"]="api-quick-start firstapp"
+    ["eo"]="api-quick-start"
     ["id"]="api-quick-start firstapp"
     ["ja"]="api-quick-start"
     ["ko_KR"]="api-quick-start"