diff --git a/util/RTCContext.h b/util/RTCContext.h
index 69eadd8..1f57cbd 100644
--- a/util/RTCContext.h
+++ b/util/RTCContext.h
@@ -32,6 +32,7 @@
 //#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
 
 namespace fs = std::filesystem;
+namespace np = boost::python::numpy;
 #define ENV_PRODUCT
 //#define SEND_MODE