diff --git a/src/pysimulator/CMakeLists.txt b/src/pysimulator/CMakeLists.txt
index c88c44d0..541c3378 100644
--- a/src/pysimulator/CMakeLists.txt
+++ b/src/pysimulator/CMakeLists.txt
@@ -4,5 +4,6 @@ set(SELF_LIB xo_pysimulator)
 set(SELF_SRCS pysimulator.cpp)
 
 xo_pybind11_library(${SELF_LIB} ${PROJECT_NAME}Targets ${SELF_SRCS})
+xo_pybind11_dependency(${SELF_LIB} xo_pyreactor)
 xo_pybind11_dependency(${SELF_LIB} simulator)
 xo_pybind11_dependency(${SELF_LIB} xo_pyutil)