diff --git a/Ladybird/cmake/EnableLagom.cmake b/Ladybird/cmake/EnableLagom.cmake
index e790418496..cffa82a948 100644
--- a/Ladybird/cmake/EnableLagom.cmake
+++ b/Ladybird/cmake/EnableLagom.cmake
@@ -9,6 +9,7 @@ set(LAGOM_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/Lagom")
 
 # FIXME: Setting target_include_directories on Lagom libraries might make this unnecessary?
 include_directories(${SERENITY_SOURCE_DIR})
+include_directories(${SERENITY_SOURCE_DIR}/Userland/Services)
 include_directories(${SERENITY_SOURCE_DIR}/Userland/Libraries)
 include_directories(${LAGOM_BINARY_DIR})
 include_directories(${LAGOM_BINARY_DIR}/Userland/Services)