diff --git a/generate_pb.py b/generate_pb.py
index 672a2fc..0f0ea73 100644
--- a/generate_pb.py
+++ b/generate_pb.py
@@ -5,6 +5,7 @@ env.AlwaysBuild(
         r"$PROJECT_DIR\extra\nanopb\generator-bin\protoc.exe -I$PROJECT_DIR\extra\ -o$PROJECT_DIR\lib\pb_gen\fx.pb fx.proto",
         r"$PROJECT_DIR\extra\nanopb\generator-bin\nanopb_generator.exe -D$PROJECT_DIR\lib\pb_gen\ $PROJECT_DIR\lib\pb_gen\fx.pb",
         r"copy $PROJECT_DIR\extra\nanopb\pb.h $PROJECT_DIR\lib\pb_gen\ ",
-        r"copy $PROJECT_DIR\extra\nanopb\pb_decode.* $PROJECT_DIR\lib\pb_gen\ "
+        r"copy $PROJECT_DIR\extra\nanopb\pb_decode.* $PROJECT_DIR\lib\pb_gen\ ",
+        r"copy $PROJECT_DIR\extra\nanopb\pb_common.* $PROJECT_DIR\lib\pb_gen\ "
         ]))
 #print(env.Dump())
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