diff --git a/src/OpenThreads/pthreads/CMakeLists.txt b/src/OpenThreads/pthreads/CMakeLists.txt
index 56213b680..5c2f28121 100644
--- a/src/OpenThreads/pthreads/CMakeLists.txt
+++ b/src/OpenThreads/pthreads/CMakeLists.txt
@@ -33,6 +33,9 @@ ELSE()
     ADD_DEFINITIONS(-DHAVE_PTHREAD_CANCEL)
     ADD_DEFINITIONS(-DHAVE_PTHREAD_SETCANCELSTATE)
 
+    SET(CMAKE_REQUIRED_LIBRARIES_SAFE "${CMAKE_REQUIRED_LIBRARIES}")
+    SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
+
     CHECK_FUNCTION_EXISTS(pthread_yield HAVE_PTHREAD_YIELD)
     IF(HAVE_PTHREAD_YIELD)
       ADD_DEFINITIONS(-DHAVE_PTHREAD_YIELD)
@@ -43,6 +46,7 @@ ELSE()
             CHECK_LIBRARY_EXISTS(rt sched_yield "" HAVE_SCHED_YIELD)
             IF(HAVE_SCHED_YIELD)
                   SET(CMAKE_THREAD_LIBS_INIT "${CMAKE_THREAD_LIBS_INIT} -lrt")
+                  SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES_SAFE} ${CMAKE_THREAD_LIBS_INIT})
             ENDIF()
           ENDIF()
           IF(HAVE_SCHED_YIELD)
@@ -110,9 +114,6 @@ ELSE()
           ENDIF()
     ENDIF()
 
-    SET(CMAKE_REQUIRED_LIBRARIES_SAFE "${CMAKE_REQUIRED_LIBRARIES}")
-    SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
-
     ADD_LIBRARY(${LIB_NAME}
         ${OPENTHREADS_USER_DEFINED_DYNAMIC_OR_STATIC}
         ${TARGET_H}