diff --git a/rust-tests/src/lib.rs b/rust-tests/src/lib.rs
index 3c6841c4..e786bde5 100644
--- a/rust-tests/src/lib.rs
+++ b/rust-tests/src/lib.rs
@@ -447,4 +447,13 @@ mod tests {
         assert!(rattler_build.is_ok());
         assert!(rattler_build.unwrap().status.success());
     }
+
+    #[test]
+    fn test_tar_source() {
+        let tmp = tmp("test_tar_source");
+        let rattler_build =
+            rattler().build::<_, _, &str>(recipes().join("tar-source"), tmp.as_dir(), None);
+        assert!(rattler_build.is_ok());
+        assert!(rattler_build.unwrap().status.success());
+    }
 }
diff --git a/src/source/mod.rs b/src/source/mod.rs
index 8121e7f2..e8cc5ce9 100644
--- a/src/source/mod.rs
+++ b/src/source/mod.rs
@@ -22,6 +22,9 @@ pub enum SourceError {
     #[error("Failed to download source from url: {0}")]
     Url(#[from] reqwest::Error),
 
+    #[error("Url does not point to a file: {0}")]
+    UrlNotFile(url::Url),
+
     #[error("WalkDir Error: {0}")]
     WalkDir(#[from] walkdir::Error),
 
@@ -100,6 +103,13 @@ pub async fn fetch_sources(
             }
             Source::Url(src) => {
                 tracing::info!("Fetching source from URL: {}", src.url());
+
+                let file_name_from_url = src
+                    .url()
+                    .path_segments()
+                    .and_then(|segments| segments.last().map(|last| last.to_string()))
+                    .ok_or_else(|| SourceError::UrlNotFile(src.url().clone()))?;
+
                 let res = url_source::url_src(src, &cache_src).await?;
                 let mut dest_dir = if let Some(folder) = src.folder() {
                     work_dir.join(folder)
@@ -126,12 +136,7 @@ pub async fn fetch_sources(
                     if let Some(file_name) = src.file_name() {
                         dest_dir = dest_dir.join(file_name);
                     } else {
-                        dest_dir = dest_dir.join(res.file_name().ok_or_else(|| {
-                            SourceError::UnknownError(format!(
-                                "Failed to get filename for `{}`",
-                                res.display()
-                            ))
-                        })?);
+                        dest_dir = dest_dir.join(file_name_from_url);
                     }
                     fs::copy(&res, &dest_dir)?;
                     tracing::info!("Downloaded to {:?}", dest_dir);
@@ -192,7 +197,7 @@ pub async fn fetch_sources(
 fn extract(archive: &Path, target_directory: &Path) -> Result<std::process::Output, SourceError> {
     let tar_exe = which::which("tar").map_err(|_| SourceError::TarNotFound)?;
 
-    let output = Command::new(tar_exe)
+    let output = Command::new(&tar_exe)
         .arg("-xf")
         .arg(archive.as_os_str())
         .arg("--preserve-permissions")
@@ -203,7 +208,8 @@ fn extract(archive: &Path, target_directory: &Path) -> Result<std::process::Outp
 
     if !output.status.success() {
         return Err(SourceError::ExtractionError(format!(
-            "Failed to extract archive: {}.\nStdout: {}\nStderr: {}",
+            "Failed to extract archive with {:?}: {}.\nStdout: {}\nStderr: {}",
+            tar_exe,
             archive.display(),
             String::from_utf8_lossy(&output.stdout),
             String::from_utf8_lossy(&output.stderr)
diff --git a/test-data/recipes/tar-source/recipe.yaml b/test-data/recipes/tar-source/recipe.yaml
new file mode 100644
index 00000000..a301dda4
--- /dev/null
+++ b/test-data/recipes/tar-source/recipe.yaml
@@ -0,0 +1,21 @@
+context:
+  name: polarify
+  version: 0.1.3
+
+package:
+  name: ${{ name }}
+  version: ${{ version }}
+
+source:
+  - url: https://github.com/quantco/polarify/archive/refs/tags/v${{ version }}.tar.gz
+    sha256: 93441164c23b764d72c8a66d14b11d5bbd353ed6112ccf3b35efda2a98f9df02
+  - url: https://repo1.maven.org/maven2/net/java/dev/jna/jna/5.8.0/jna-5.8.0.jar
+    sha256: 930273cc1c492f25661ea62413a6da3fd7f6e01bf1c4dcc0817fc8696a7b07ac
+
+build:
+  script:
+    - if: unix
+      then:
+        - test -f jna-5.8.0.jar
+      else:
+        - if not exist jna-5.8.0.jar exit 1
\ No newline at end of file