diff --git a/samples/openapi3/server/petstore/go/go-petstore/go/routers.go b/samples/openapi3/server/petstore/go/go-petstore/go/routers.go
index 7dc2f17a0684..bb99aa60c82f 100644
--- a/samples/openapi3/server/petstore/go/go-petstore/go/routers.go
+++ b/samples/openapi3/server/petstore/go/go-petstore/go/routers.go
@@ -21,6 +21,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"path/filepath"
 	"strconv"
 	"strings"
 )
@@ -74,7 +75,7 @@ func EncodeJSONResponse(i interface{}, status *int, headers map[string][]string,
 			return err
 		}
 		wHeader.Set("Content-Type", http.DetectContentType(data))
-		wHeader.Set("Content-Disposition", "attachment; filename="+f.Name())
+		wHeader.Set("Content-Disposition", "attachment; filename="+filepath.Base(f.Name()))
 		if status != nil {
 			w.WriteHeader(*status)
 		} else {
diff --git a/samples/server/others/go-server/no-body-path-params/go/routers.go b/samples/server/others/go-server/no-body-path-params/go/routers.go
index 392d00d7c0fa..ae67463577ce 100644
--- a/samples/server/others/go-server/no-body-path-params/go/routers.go
+++ b/samples/server/others/go-server/no-body-path-params/go/routers.go
@@ -20,6 +20,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"path/filepath"
 	"strconv"
 	"strings"
 )
@@ -78,7 +79,7 @@ func EncodeJSONResponse(i interface{}, status *int, headers map[string][]string,
 			return err
 		}
 		wHeader.Set("Content-Type", http.DetectContentType(data))
-		wHeader.Set("Content-Disposition", "attachment; filename="+f.Name())
+		wHeader.Set("Content-Disposition", "attachment; filename="+filepath.Base(f.Name()))
 		if status != nil {
 			w.WriteHeader(*status)
 		} else {
diff --git a/samples/server/petstore/go-api-server/go/routers.go b/samples/server/petstore/go-api-server/go/routers.go
index 0418d5e575ee..3a4f2e5e1a35 100644
--- a/samples/server/petstore/go-api-server/go/routers.go
+++ b/samples/server/petstore/go-api-server/go/routers.go
@@ -20,6 +20,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"path/filepath"
 	"strconv"
 	"strings"
 )
@@ -78,7 +79,7 @@ func EncodeJSONResponse(i interface{}, status *int, headers map[string][]string,
 			return err
 		}
 		wHeader.Set("Content-Type", http.DetectContentType(data))
-		wHeader.Set("Content-Disposition", "attachment; filename="+f.Name())
+		wHeader.Set("Content-Disposition", "attachment; filename="+filepath.Base(f.Name()))
 		if status != nil {
 			w.WriteHeader(*status)
 		} else {
diff --git a/samples/server/petstore/go-chi-server/go/routers.go b/samples/server/petstore/go-chi-server/go/routers.go
index 7dc2f17a0684..bb99aa60c82f 100644
--- a/samples/server/petstore/go-chi-server/go/routers.go
+++ b/samples/server/petstore/go-chi-server/go/routers.go
@@ -21,6 +21,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"path/filepath"
 	"strconv"
 	"strings"
 )
@@ -74,7 +75,7 @@ func EncodeJSONResponse(i interface{}, status *int, headers map[string][]string,
 			return err
 		}
 		wHeader.Set("Content-Type", http.DetectContentType(data))
-		wHeader.Set("Content-Disposition", "attachment; filename="+f.Name())
+		wHeader.Set("Content-Disposition", "attachment; filename="+filepath.Base(f.Name()))
 		if status != nil {
 			w.WriteHeader(*status)
 		} else {