diff --git a/.github/workflows/rust-ci.yml b/.github/workflows/rust-ci.yml
index 27075a7..dfd7a2d 100644
--- a/.github/workflows/rust-ci.yml
+++ b/.github/workflows/rust-ci.yml
@@ -45,6 +45,7 @@ jobs:
       - name: cargo test build
         run: cargo build --tests --release
       - name: cargo test
+        shell: bash
         run: cargo test --release
       - name: detects powershell
         if: ${{ matrix.os != 'macos-14' }}
diff --git a/src/lib.rs b/src/lib.rs
index a33f640..8d0935b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -362,11 +362,11 @@ pub fn is_powershell_parent() -> bool {
                 (ustr.length >> 1) as usize,
             ));
 
-            let path = os.to_string_lossy();
-            eprintln!("{path}");
-            let p = std::path::Path::new(path.as_ref());
-            if p.file_stem() == Some(std::ffi::OsStr::new("pwsh")) {
-                return true;
+            let path = std::path::Path::new(&os);
+            if let Some(stem) = path.file_stem().and_then(|stem| stem.to_str()) {
+                if stem == "pwsh" || stem == "powershell" {
+                    return true;
+                }
             }
         }