diff --git a/qad/cmake/FindQAD.cmake b/qad/cmake/FindQAD.cmake
index 59bb11e..776aecf 100644
--- a/qad/cmake/FindQAD.cmake
+++ b/qad/cmake/FindQAD.cmake
@@ -101,21 +101,23 @@ foreach(_Q ${_QAD_LIBS})
 	set(_target QAD::${_ITN_${_Q}})
 	string(REPLACE ":" "_" _target_str "${_target}")
 	foreach(_v ${_QT_VERSIONS_})
-		set(_link_list)
-		foreach(_l ${_ITLL_${_Q}})
-			list(APPEND _link_list ${_l}${_v})
-		endforeach()
-		add_library(${_target}${_v} UNKNOWN IMPORTED)
-		set_target_properties(${_target}${_v} PROPERTIES
-			IMPORTED_LOCATION "${QAD${_v}_${_QU}_LIBRARY}"
-			INTERFACE_INCLUDE_DIRECTORIES "${QAD_INCLUDES}"
-			INTERFACE_LINK_LIBRARIES "${_link_list}")
-		set(MULTILIB_${_target_str}_SUFFIX_Qt${_v} ${_v})
-		if(hasParent)
-			set(MULTILIB_${_target_str}_SUFFIX_Qt${_v} ${_v} PARENT_SCOPE)
+		if(NOT TARGET ${_target}${_v})
+			set(_link_list)
+			foreach(_l ${_ITLL_${_Q}})
+				list(APPEND _link_list ${_l}${_v})
+			endforeach()
+			add_library(${_target}${_v} UNKNOWN IMPORTED)
+			set_target_properties(${_target}${_v} PROPERTIES
+				IMPORTED_LOCATION "${QAD${_v}_${_QU}_LIBRARY}"
+				INTERFACE_INCLUDE_DIRECTORIES "${QAD_INCLUDES}"
+				INTERFACE_LINK_LIBRARIES "${_link_list}")
+			set(MULTILIB_${_target_str}_SUFFIX_Qt${_v} ${_v})
+			if(hasParent)
+				set(MULTILIB_${_target_str}_SUFFIX_Qt${_v} ${_v} PARENT_SCOPE)
+			endif()
+			#message(STATUS "add imported ${_target}${_v}")
+			#message(STATUS "add MULTILIB MULTILIB_${_target_str}_SUFFIX_Qt${_v} ${_v}")
 		endif()
-		#message(STATUS "add imported ${_target}${_v}")
-		#message(STATUS "add MULTILIB MULTILIB_${_target_str}_SUFFIX_Qt${_v} ${_v}")
 	endforeach()
 	list(APPEND QT_MULTILIB_LIST ${_target})
 endforeach()