diff --git a/protoc-gen-swagger/defs.bzl b/protoc-gen-swagger/defs.bzl
index 75a055530f6..59ce34a5ba1 100644
--- a/protoc-gen-swagger/defs.bzl
+++ b/protoc-gen-swagger/defs.bzl
@@ -38,6 +38,10 @@ def _run_proto_gen_swagger(ctx, direct_proto_srcs, transitive_proto_srcs, action
             sibling = proto,
         )
 
+        output_dir = ctx.bin_dir.path
+        if proto.owner.workspace_root:
+            output_dir = "/".join([output_dir, proto.owner.workspace_root])
+
         inputs = direct_proto_srcs + transitive_proto_srcs
         tools = [protoc_gen_swagger]
 
@@ -50,7 +54,7 @@ def _run_proto_gen_swagger(ctx, direct_proto_srcs, transitive_proto_srcs, action
 
         args = actions.args()
         args.add("--plugin=%s" % protoc_gen_swagger.path)
-        args.add("--swagger_out=%s:%s" % (",".join(options), ctx.bin_dir.path))
+        args.add("--swagger_out=%s:%s" % (",".join(options), output_dir))
         args.add_all(["-I%s" % include for include in includes])
         args.add(proto.path)