diff --git a/Samples/2_Concepts_and_Techniques/threadMigration/CMakeLists.txt b/Samples/2_Concepts_and_Techniques/threadMigration/CMakeLists.txt
index 9603b6c6..ab3ac87a 100644
--- a/Samples/2_Concepts_and_Techniques/threadMigration/CMakeLists.txt
+++ b/Samples/2_Concepts_and_Techniques/threadMigration/CMakeLists.txt
@@ -37,7 +37,7 @@ target_link_libraries(threadMigration PUBLIC
     CUDA::cuda_driver
 )
 
-if(UNIX)
+if(UNIX AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL "QNX")
     target_link_libraries(threadMigration PUBLIC pthread)
 endif()
 
diff --git a/Samples/3_CUDA_Features/memMapIPCDrv/CMakeLists.txt b/Samples/3_CUDA_Features/memMapIPCDrv/CMakeLists.txt
index ce04a08e..b2066843 100644
--- a/Samples/3_CUDA_Features/memMapIPCDrv/CMakeLists.txt
+++ b/Samples/3_CUDA_Features/memMapIPCDrv/CMakeLists.txt
@@ -37,7 +37,7 @@ target_link_libraries(memMapIPCDrv PUBLIC
     CUDA::cuda_driver
 )
 
-if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+if(UNIX AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL "QNX")
     target_link_libraries(memMapIPCDrv PUBLIC rt)
 endif()