diff --git a/src/pyprintjson/CMakeLists.txt b/src/pyprintjson/CMakeLists.txt
index 5e77c995..2370e6a2 100644
--- a/src/pyprintjson/CMakeLists.txt
+++ b/src/pyprintjson/CMakeLists.txt
@@ -1,6 +1,6 @@
 # xo_pyprintjson/src/pyprintjson/CMakeLists.txt
 
-set(SELF_LIB pyprintjson)
+set(SELF_LIB xo_pyprintjson)
 set(SELF_SRCS pyprintjson.cpp)
 
 xo_pybind11_library(${SELF_LIB} ${PROJECT_NAME}Targets ${SELF_SRCS})