diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c33093cdd..b808a92c5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1026,6 +1026,7 @@ target_include_directories(strawberry_lib SYSTEM PUBLIC
   ${GOBJECT_INCLUDE_DIRS}
   ${GNUTLS_INCLUDE_DIRS}
   ${SQLITE_INCLUDE_DIRS}
+  ${PROTOBUF_INCLUDE_DIRS}
 )
 
 if(HAVE_QPA_QPLATFORMNATIVEINTERFACE_H)