diff --git a/glicid/packages/parallel.scm b/glicid/packages/parallel.scm
index f1aa47c..fde5fdc 100644
--- a/glicid/packages/parallel.scm
+++ b/glicid/packages/parallel.scm
@@ -135,7 +135,7 @@
     (inherit slurm-21.08-latest)
     (name "slurm-glicid")
 
-  (inputs (modify-inputs (package-inputs slurm-21.08-latest)
+    (inputs (modify-inputs (package-inputs slurm-21.08-latest)
               (prepend gtk+-2
                        `(,mariadb "dev"))))))