diff --git a/jsoncpp-namespaced-targets.cmake b/jsoncpp-namespaced-targets.cmake
index ac1504e..02187ad 100644
--- a/jsoncpp-namespaced-targets.cmake
+++ b/jsoncpp-namespaced-targets.cmake
@@ -1,7 +1,7 @@
-if (TARGET jsoncpp_static)
+if (TARGET jsoncpp_static AND NOT TARGET JsonCpp::JsonCpp)
     add_library(JsonCpp::JsonCpp INTERFACE IMPORTED)
     set_target_properties(JsonCpp::JsonCpp PROPERTIES INTERFACE_LINK_LIBRARIES "jsoncpp_static")
-elseif (TARGET jsoncpp_lib)
+elseif (TARGET jsoncpp_lib AND NOT TARGET JsonCpp::JsonCpp)
     add_library(JsonCpp::JsonCpp INTERFACE IMPORTED)
     set_target_properties(JsonCpp::JsonCpp PROPERTIES INTERFACE_LINK_LIBRARIES "jsoncpp_lib")
-endif ()
\ No newline at end of file
+endif ()