diff --git a/src/libstore/include/nix/store/s3-binary-cache-store.hh b/src/libstore/include/nix/store/s3-binary-cache-store.hh
index e5fcbeda3..288ca41a0 100644
--- a/src/libstore/include/nix/store/s3-binary-cache-store.hh
+++ b/src/libstore/include/nix/store/s3-binary-cache-store.hh
@@ -75,6 +75,8 @@ struct S3BinaryCacheStoreConfig : HttpBinaryCacheStoreConfig
     static StringSet uriSchemes();
 
     static std::string doc();
+
+    std::string getHumanReadableURI() const override;
 };
 
 } // namespace nix
diff --git a/src/libstore/s3-binary-cache-store.cc b/src/libstore/s3-binary-cache-store.cc
index ac08a4982..0b37ac5d7 100644
--- a/src/libstore/s3-binary-cache-store.cc
+++ b/src/libstore/s3-binary-cache-store.cc
@@ -29,6 +29,19 @@ S3BinaryCacheStoreConfig::S3BinaryCacheStoreConfig(
     }
 }
 
+std::string S3BinaryCacheStoreConfig::getHumanReadableURI() const
+{
+    auto reference = getReference();
+    reference.params = [&]() {
+        Params relevantParams;
+        for (auto & setting : s3UriSettings)
+            if (setting->overridden)
+                relevantParams.insert({setting->name, reference.params.at(setting->name)});
+        return relevantParams;
+    }();
+    return reference.render();
+}
+
 std::string S3BinaryCacheStoreConfig::doc()
 {
     return R"(