diff --git a/meta/classes/repository.bbclass b/meta/classes/repository.bbclass
index c70138f..7b6e47b 100644
--- a/meta/classes/repository.bbclass
+++ b/meta/classes/repository.bbclass
@@ -96,3 +96,13 @@ repo_contains_package() {
     # no
     return 2
 }
+
+repo_sanity_test() {
+    local dir="$1"
+    local dbdir="$2"
+    local output="$( reprepro -s -b "${dir}" --dbdir "${dbdir}" sourcemissing )"
+    if [ -n "${output}" ]; then
+        bbwarn "One or more sources are missing in base-apt"
+        bbwarn "${output}"
+    fi
+}
diff --git a/meta/recipes-devtools/base-apt/base-apt.bb b/meta/recipes-devtools/base-apt/base-apt.bb
index da3e32e..8940ae8 100644
--- a/meta/recipes-devtools/base-apt/base-apt.bb
+++ b/meta/recipes-devtools/base-apt/base-apt.bb
@@ -66,6 +66,8 @@ repo() {
     fi
 
     populate_base_apt
+    repo_sanity_test "${REPO_BASE_DIR}"/"${BASE_DISTRO}" \
+        "${REPO_BASE_DB_DIR}"/"${BASE_DISTRO}"
 }
 
 python do_cache() {