diff --git a/src/OpenThreads/qt/CMakeLists.txt b/src/OpenThreads/qt/CMakeLists.txt
index 2f006c58d..7352475fe 100644
--- a/src/OpenThreads/qt/CMakeLists.txt
+++ b/src/OpenThreads/qt/CMakeLists.txt
@@ -55,8 +55,8 @@ ENDIF()
 
 INSTALL(
     TARGETS OpenThreads
-    ARCHIVE DESTINATION lib COMPONENT libopenthreads-dev
-    LIBRARY DESTINATION lib COMPONENT libopenthreads
+    ARCHIVE DESTINATION lib${LIB_POSTFIX} COMPONENT libopenthreads-dev
+    LIBRARY DESTINATION lib${LIB_POSTFIX} COMPONENT libopenthreads
     RUNTIME DESTINATION bin COMPONENT libopenthreads
 )
 INSTALL(