diff --git a/src/pywebutil/CMakeLists.txt b/src/pywebutil/CMakeLists.txt
index 95f8df26..cc68d6e1 100644
--- a/src/pywebutil/CMakeLists.txt
+++ b/src/pywebutil/CMakeLists.txt
@@ -1,6 +1,6 @@
 # xo-pywebutil/src/pywebutil/CMakeLists.txt
 
-set(SELF_LIB pywebutil)
+set(SELF_LIB xo_pywebutil)
 set(SELF_SRCS pywebutil.cpp)
 
 xo_pybind11_library(${SELF_LIB} ${PROJECT_NAME}Targets ${SELF_SRCS})