diff --git a/nix/pkgs/oci-image/default.nix b/nix/pkgs/oci-image/default.nix
index bf0b20b5..91a800b1 100644
--- a/nix/pkgs/oci-image/default.nix
+++ b/nix/pkgs/oci-image/default.nix
@@ -32,7 +32,7 @@ dockerTools.buildLayeredImage {
       "org.opencontainers.image.title" = main.pname;
       "org.opencontainers.image.version" = main.version;
       "org.opencontainers.image.revision" = inputs.self.rev or inputs.self.dirtyRev or "";
-      "org.opencontainers.image.created" = builtins.formatTime "%Y-%m-%dT%H:%M:%SZ" inputs.self.lastModified
+      "org.opencontainers.image.created" = builtins.formatTime "%Y-%m-%dT%H:%M:%SZ" inputs.self.lastModified;
     };
   };
 }