diff --git a/pkgs/os-specific/linux/procps-ng/default.nix b/pkgs/os-specific/linux/procps-ng/default.nix
index 027806f45225..33030883efda 100644
--- a/pkgs/os-specific/linux/procps-ng/default.nix
+++ b/pkgs/os-specific/linux/procps-ng/default.nix
@@ -54,12 +54,12 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   installPhase = lib.optionalString watchOnly ''
-    runHooks preInstall
+    runHook preInstall
 
     install -m 0755 -D src/watch $out/bin/watch
     install -m 0644 -D man/watch.1 $out/share/man/man1/watch.1
 
-    runHooks postInstall
+    runHook postInstall
   '';
 
   # no obvious exec in documented arguments; haven't trawled source