diff --git a/default.nix b/default.nix
index 7f0a11a..5af2852 100644
--- a/default.nix
+++ b/default.nix
@@ -33,7 +33,9 @@ project ./. ({ pkgs, hackGet, ... }: {
       # and use callCabal2nix to get a nix derivation to build it.
       # See the comment in ./nixpkgs-overlay.nix for a description
       # of how to interact with nix thunks.
-      tahoe-chk = self.callCabal2nix "tahoe-chk" (nix-thunk.thunkSource ./dep/chkhs) {};
+      # I disabled the tests using the dontCheck function as the testsuite
+      # tries to allocate too much memory and crashes for me.
+      tahoe-chk = dontCheck (self.callCabal2nix "tahoe-chk" (nix-thunk.thunkSource ./dep/chkhs) {});
       # We also ended up needing an override of the base32 library, which we obtain from Hackage.
       base32 = self.callHackageDirect {
         pkg = "base32";