diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index 6c7e5dc05c3..8812309b723 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -743,7 +743,11 @@ fs_inst::flags_written(const intel_device_info *devinfo) const
                            opcode != BRW_OPCODE_IF &&
                            opcode != BRW_OPCODE_WHILE)) {
       return brw_fs_flag_mask(this, 1);
-   } else if (opcode == FS_OPCODE_LOAD_LIVE_CHANNELS) {
+   } else if (opcode == FS_OPCODE_LOAD_LIVE_CHANNELS ||
+              opcode == SHADER_OPCODE_BALLOT ||
+              opcode == SHADER_OPCODE_VOTE_ANY ||
+              opcode == SHADER_OPCODE_VOTE_ALL ||
+              opcode == SHADER_OPCODE_VOTE_EQUAL) {
       return brw_fs_flag_mask(this, 32);
    } else {
       return brw_fs_flag_mask(dst, size_written);