diff --git a/overlays/default.nix b/overlays/default.nix
index 3001a99b..a734f614 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -17,6 +17,11 @@ with final; {
 
   bmxd = callPackage ./bmxd.nix { };
 
+  boehmgc = prev.boehmgc.overrideAttrs(_: {
+    # tests fail under emulation
+    doCheck = false;
+  });
+
   dump1090-influxdb = callPackage ./dump1090-influxdb { };
 
   dump1090_rs = callPackage ./dump1090_rs.nix { };