diff --git a/CMakeLists.txt b/CMakeLists.txt
index c8e9b997fbc52ff6ebee09e0c5e388a23965411b..710a1302d0bbf5e45f89920f28d2cf7f8f9dec36 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -199,7 +199,7 @@ target_include_directories(caosdb SYSTEM PUBLIC
     ${CONAN_INCLUDE_DIRS}
 )
 
-add_library(ccaosdb SHARED src/ccaosdb.cpp)
+add_library(ccaosdb SHARED src/ccaosdb.cpp ${GRPC_GENERATED})
 
 IF (WIN32)
     target_link_libraries(ccaosdb