diff --git a/.changeset/smart-mangos-fly.md b/.changeset/smart-mangos-fly.md
new file mode 100644
index 0000000000..d905384e50
--- /dev/null
+++ b/.changeset/smart-mangos-fly.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-common': patch
+---
+
+Fixed configuration schema incorrectly declaring `backend.listen.address` to exist, rather than `backend.listen.host`, which is the correct key.
diff --git a/packages/backend-common/config.d.ts b/packages/backend-common/config.d.ts
index fe3c7a5bec..16ca1698f6 100644
--- a/packages/backend-common/config.d.ts
+++ b/packages/backend-common/config.d.ts
@@ -41,7 +41,7 @@ export interface Config {
       | string
       | {
           /** Address of the interface that the backend should bind to. */
-          address?: string;
+          host?: string;
           /** Port that the backend should listen to. */
           port?: string | number;
         };