diff --git a/cmake/FindPahoMqttC.cmake b/cmake/FindPahoMqttC.cmake
index b3e7ec39..b2fc066e 100644
--- a/cmake/FindPahoMqttC.cmake
+++ b/cmake/FindPahoMqttC.cmake
@@ -17,7 +17,9 @@ find_library(PAHO_MQTT_C_LIBRARIES NAMES ${_PAHO_MQTT_C_LIB_NAME})
 unset(_PAHO_MQTT_C_LIB_NAME)
 find_path(PAHO_MQTT_C_INCLUDE_DIRS NAMES MQTTAsync.h)
 
-add_library(PahoMqttC::PahoMqttC UNKNOWN IMPORTED)
+if (NOT TARGET PahoMqttC::PahoMqttC)
+    add_library(PahoMqttC::PahoMqttC UNKNOWN IMPORTED)
+endif ()
 
 set_target_properties(PahoMqttC::PahoMqttC PROPERTIES
     IMPORTED_LOCATION "${PAHO_MQTT_C_LIBRARIES}"