diff --git a/examples/atomic/CMakeLists.txt b/examples/atomic/CMakeLists.txt
index e9d79989..51210be2 100644
--- a/examples/atomic/CMakeLists.txt
+++ b/examples/atomic/CMakeLists.txt
@@ -4,7 +4,7 @@
 #
 
 add_executable(atomic-spinlock spinlock.c)
-target_link_libraries(atomic-spinlock bfdev)
+target_link_libraries(atomic-spinlock bfdev pthread)
 add_test(atomic-spinlock atomic-spinlock)
 
 if(${CMAKE_PROJECT_NAME} STREQUAL "bfdev")
diff --git a/examples/atomic/spinlock.c b/examples/atomic/spinlock.c
index 469e7c09..14d8089b 100644
--- a/examples/atomic/spinlock.c
+++ b/examples/atomic/spinlock.c
@@ -37,7 +37,7 @@ thread1_task(void *unused)
 {
     unsigned int time;
 
-    for (time = 0; time < 1000000; ++time) {
+    for (time = 0; time < 100000; ++time) {
         spin_lock(&lock);
         counter++;
         spin_unlock(&lock);
@@ -51,7 +51,7 @@ thread2_task(void *unused)
 {
     unsigned int time;
 
-    for (time = 0; time < 1000000; ++time) {
+    for (time = 0; time < 100000; ++time) {
         spin_lock(&lock);
         counter--;
         spin_unlock(&lock);