diff --git a/drm-ffi/src/syncobj.rs b/drm-ffi/src/syncobj.rs
index 6cb45a9..cc9863e 100644
--- a/drm-ffi/src/syncobj.rs
+++ b/drm-ffi/src/syncobj.rs
@@ -110,6 +110,7 @@ pub fn wait(
         },
         first_signaled: 0,
         pad: 0,
+        deadline_nsec: 0,
     };
 
     unsafe {
@@ -181,6 +182,7 @@ pub fn timeline_wait(
         },
         first_signaled: 0,
         pad: 0,
+        deadline_nsec: 0,
     };
 
     unsafe {