diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm
index 5b47d5faec..8d32518973 100644
--- a/gnu/packages/admin.scm
+++ b/gnu/packages/admin.scm
@@ -2596,4 +2596,6 @@ (define-public spindle
      "Spindle is a tool for improving the performance of dynamic library and
 Python loading in HPC environments.")
     (home-page "https://github.com/hpc/Spindle")
+    ;; This package supports x86_64 and PowerPC64
+    (supported-systems '("x86_64-linux"))
     (license license:lgpl2.1)))