diff --git a/crates/binstalk-registry/src/git_registry.rs b/crates/binstalk-registry/src/git_registry.rs
index 518a48b0..b707b602 100644
--- a/crates/binstalk-registry/src/git_registry.rs
+++ b/crates/binstalk-registry/src/git_registry.rs
@@ -1,4 +1,4 @@
-use std::{io, path::PathBuf, sync::Arc};
+use std::{fmt::Display, io, path::PathBuf, sync::Arc};
 
 use binstalk_downloader::remote::Client;
 use binstalk_types::cargo_toml_binstall::Meta;
@@ -73,6 +73,10 @@ impl GitRegistry {
         }))
     }
 
+    pub fn url(&self) -> impl Display + '_ {
+        &self.0.url
+    }
+
     /// WARNING: This is a blocking operation.
     fn find_crate_matched_ver(
         repo: &Repository,
diff --git a/crates/binstalk-registry/src/lib.rs b/crates/binstalk-registry/src/lib.rs
index 59c40c7e..09ef989b 100644
--- a/crates/binstalk-registry/src/lib.rs
+++ b/crates/binstalk-registry/src/lib.rs
@@ -1,6 +1,6 @@
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
-use std::{io, str::FromStr, sync::Arc};
+use std::{fmt, io, str::FromStr, sync::Arc};
 
 use base16::DecodeError as Base16DecodeError;
 use binstalk_downloader::{
@@ -197,6 +197,15 @@ impl Registry {
     }
 }
 
+impl fmt::Display for Registry {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Registry::Git(registry) => fmt::Display::fmt(&registry.url(), f),
+            Registry::Sparse(registry) => fmt::Display::fmt(&registry.url(), f),
+        }
+    }
+}
+
 impl FromStr for Registry {
     type Err = InvalidRegistryError;
 
diff --git a/crates/binstalk-registry/src/sparse_registry.rs b/crates/binstalk-registry/src/sparse_registry.rs
index 7dca1b32..48a4f5b2 100644
--- a/crates/binstalk-registry/src/sparse_registry.rs
+++ b/crates/binstalk-registry/src/sparse_registry.rs
@@ -1,3 +1,5 @@
+use std::fmt::Display;
+
 use binstalk_downloader::remote::{Client, Error as RemoteError};
 use binstalk_types::cargo_toml_binstall::Meta;
 use cargo_toml_workspace::cargo_toml::Manifest;
@@ -28,6 +30,10 @@ impl SparseRegistry {
         }
     }
 
+    pub fn url(&self) -> impl Display + '_ {
+        &self.url
+    }
+
     async fn get_dl_template(&self, client: &Client) -> Result<&str, RegistryError> {
         self.dl_template
             .get_or_try_init(|| {
diff --git a/crates/binstalk/src/ops/resolve.rs b/crates/binstalk/src/ops/resolve.rs
index e0c5883e..5c6379d9 100644
--- a/crates/binstalk/src/ops/resolve.rs
+++ b/crates/binstalk/src/ops/resolve.rs
@@ -453,7 +453,17 @@ impl PackageInfo {
                         .fetch_crate_matched(client, &name, version_req),
                 )
                 .await?,
-                CrateSource::cratesio_registry(),
+                {
+                    let registry = format!("{}", opts.registry);
+                    if registry == "https://index.crates.io/" {
+                        CrateSource::cratesio_registry()
+                    } else {
+                        CrateSource {
+                            source_type: SourceType::Registry,
+                            url: MaybeOwned::Owned(Url::parse(&registry)?),
+                        }
+                    }
+                },
             ),
         };
 
diff --git a/e2e-tests/registries.sh b/e2e-tests/registries.sh
index 7eb3f041..7be7ffaf 100644
--- a/e2e-tests/registries.sh
+++ b/e2e-tests/registries.sh
@@ -43,20 +43,27 @@ EOF
 # Install binaries using default registry in config
 "./$1" binstall --force -y cargo-binstall@0.12.0
 
+grep -F "cargo-binstall 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" <"$CARGO_HOME/.crates.toml"
+
 test_cargo_binstall_install
 
 # Install binaries using registry t2 in config
 "./$1" binstall --force --registry t2 -y cargo-binstall@0.12.0
 
+grep -F "cargo-binstall 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" <"$CARGO_HOME/.crates.toml"
+
 test_cargo_binstall_install
 
 # Install binaries using registry t3 in env
 CARGO_REGISTRIES_t3_INDEX='sparse+https://index.crates.io/' "./$1" binstall --force --registry t3 -y cargo-binstall@0.12.0
 
-test_cargo_binstall_install
+grep -F "cargo-binstall 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" <"$CARGO_HOME/.crates.toml"
 
+test_cargo_binstall_install
 
 # Install binaries using index directly
 "./$1" binstall --force --index 'sparse+https://index.crates.io/' -y cargo-binstall@0.12.0
 
+grep -F "cargo-binstall 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" <"$CARGO_HOME/.crates.toml"
+
 test_cargo_binstall_install