diff --git a/src/gallium/drivers/r600/sb/sb_sched.cpp b/src/gallium/drivers/r600/sb/sb_sched.cpp
index fe887c84c70..2d5fbfdb2c9 100644
--- a/src/gallium/drivers/r600/sb/sb_sched.cpp
+++ b/src/gallium/drivers/r600/sb/sb_sched.cpp
@@ -1950,7 +1950,10 @@ void post_scheduler::release_src_vec(vvec& vv, bool src) {
 }
 
 void literal_tracker::reset() {
-	memset(lt, 0, sizeof(lt));
+	lt[0].u = 0;
+	lt[1].u = 0;
+	lt[2].u = 0;
+	lt[3].u = 0;
 	memset(uc, 0, sizeof(uc));
 }