diff --git a/pkg/remote/fileshare/fspath/fspath_test.go b/pkg/remote/fileshare/fspath/fspath_test.go
new file mode 100644
index 0000000000..c634f665ce
--- /dev/null
+++ b/pkg/remote/fileshare/fspath/fspath_test.go
@@ -0,0 +1,21 @@
+package fspath
+
+import "testing"
+
+func TestBase(t *testing.T) {
+	tests := []struct {
+		path string
+		want string
+	}{
+		{`D:\package\AA.tar`, "AA.tar"},
+		{`D:/package/AA.tar`, "AA.tar"},
+		{"/home/user/file.txt", "file.txt"},
+		{"file.txt", "file.txt"},
+	}
+	for _, tt := range tests {
+		got := Base(tt.path)
+		if got != tt.want {
+			t.Errorf("Base(%q) = %q, want %q", tt.path, got, tt.want)
+		}
+	}
+}
diff --git a/pkg/wshrpc/wshremote/wshremote_file.go b/pkg/wshrpc/wshremote/wshremote_file.go
index 845fb64ac4..3589cc998c 100644
--- a/pkg/wshrpc/wshremote/wshremote_file.go
+++ b/pkg/wshrpc/wshremote/wshremote_file.go
@@ -18,6 +18,7 @@ import (
 
 	"github.com/wavetermdev/waveterm/pkg/panichandler"
 	"github.com/wavetermdev/waveterm/pkg/remote/connparse"
+	"github.com/wavetermdev/waveterm/pkg/remote/fileshare/fspath"
 	"github.com/wavetermdev/waveterm/pkg/remote/fileshare/wshfs"
 	"github.com/wavetermdev/waveterm/pkg/util/fileutil"
 	"github.com/wavetermdev/waveterm/pkg/util/utilfn"
@@ -156,7 +157,7 @@ func (impl *ServerImpl) RemoteFileCopyCommand(ctx context.Context, data wshrpc.C
 		return false, fmt.Errorf("file %q size %d exceeds transfer limit of %d bytes", data.SrcUri, srcFileInfo.Size, RemoteFileTransferSizeLimit)
 	}
 
-	destFilePath, err := prepareDestForCopy(destPathCleaned, filepath.Base(srcConn.Path), destHasSlash, opts.Overwrite)
+	destFilePath, err := prepareDestForCopy(destPathCleaned, fspath.Base(srcConn.Path), destHasSlash, opts.Overwrite)
 	if err != nil {
 		return false, err
 	}