diff --git a/transport/allocator/1.0/utils/FrameworkUtils.cpp b/transport/allocator/1.0/utils/FrameworkUtils.cpp
index 1fc6f3f..fec83ac 100644
--- a/transport/allocator/1.0/utils/FrameworkUtils.cpp
+++ b/transport/allocator/1.0/utils/FrameworkUtils.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#include <unistd.h>
+
 #include <hidlmemory/FrameworkUtils.h>
 
 namespace android {