diff --git a/usr/tests/CMakeLists.txt b/usr/tests/CMakeLists.txt
index 40fbe4464..e910a016c 100644
--- a/usr/tests/CMakeLists.txt
+++ b/usr/tests/CMakeLists.txt
@@ -11,6 +11,7 @@ add_executable(pi pi.go)
 
 add_executable(test-malloc test-malloc.c)
 add_executable(test-malloc-mt test-malloc-mt.c)
+target_compile_options(test-malloc-mt PRIVATE -pthread)
 target_link_libraries(test-malloc-mt pthread)
 
 add_executable(server server.go)
@@ -20,9 +21,11 @@ add_executable(RCCE_minimum RCCE_minimum.c)
 target_link_libraries(RCCE_minimum ircce)
 
 add_executable(thr_hello thr_hello.c)
+target_compile_options(thr_hello PRIVATE -pthread)
 target_link_libraries(thr_hello pthread)
 
 add_executable(signals signals.c)
+target_compile_options(signals PRIVATE -pthread)
 target_link_libraries(signals pthread)
 
 # deployment