diff --git a/generator/nanopb_generator.py b/generator/nanopb_generator.py
index 7519905..bf0e815 100755
--- a/generator/nanopb_generator.py
+++ b/generator/nanopb_generator.py
@@ -26,6 +26,12 @@
     pass
 
 try:
+    # Make sure grpc_tools gets included in binary package if it is available
+    import grpc_tools.protoc
+except:
+    pass
+
+try:
     import google.protobuf.text_format as text_format
     import google.protobuf.descriptor_pb2 as descriptor
     import google.protobuf.compiler.plugin_pb2 as plugin_pb2