diff --git a/guix/build/maven-build-system.scm b/guix/build/maven-build-system.scm
index 914298d584..534b4ebcee 100644
--- a/guix/build/maven-build-system.scm
+++ b/guix/build/maven-build-system.scm
@@ -100,7 +100,8 @@
                     inputs local-packages excludes)))))))
 
 (define* (fix-pom-files #:key inputs local-packages exclude #:allow-other-keys)
-  (fix-pom "pom.xml" inputs local-packages exclude))
+  (fix-pom "pom.xml" inputs local-packages exclude)
+  #t)
 
 (define* (build #:key outputs #:allow-other-keys)
   "Build the given package."