diff --git a/guix-data-service/model/derivation.scm b/guix-data-service/model/derivation.scm
index 12a752c..68e8923 100644
--- a/guix-data-service/model/derivation.scm
+++ b/guix-data-service/model/derivation.scm
@@ -67,6 +67,7 @@
     "i586-gnu"
     "i686-linux"
     "mips64el-linux"
+    "powerpc64le-linux"
     "x86_64-linux"))
 
 (define (valid-targets conn)
diff --git a/tests/model-derivation.scm b/tests/model-derivation.scm
index 0e9f97b..d6e77b3 100644
--- a/tests/model-derivation.scm
+++ b/tests/model-derivation.scm
@@ -12,7 +12,7 @@
 
    (test-equal "valid-systems"
      '("aarch64-linux" "armhf-linux" "i586-gnu"
-       "i686-linux" "mips64el-linux" "x86_64-linux")
+       "i686-linux" "mips64el-linux" "powerpc64le-linux" "x86_64-linux")
      (valid-systems conn))
 
    (test-equal "count-derivations"