diff --git a/package.nix b/package.nix
index fa898e906..7d9a39771 100644
--- a/package.nix
+++ b/package.nix
@@ -343,6 +343,7 @@ in {
 
   # Work around weird bug where it doesn't think there is a Makefile.
   installCheckPhase = if (!doBuild && doInstallCheck) then ''
+    runHook preInstallCheck
     mkdir -p src/nix-channel
     make installcheck -j$NIX_BUILD_CORES -l$NIX_BUILD_CORES
   '' else null;