diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index 1fdf6f05b5f..267bb6648a5 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -5154,6 +5154,7 @@ get_lowered_simd_width(const struct brw_compiler *compiler,
    const struct intel_device_info *devinfo = compiler->devinfo;
 
    switch (inst->opcode) {
+   case BRW_OPCODE_DP4A:
    case BRW_OPCODE_MOV:
    case BRW_OPCODE_SEL:
    case BRW_OPCODE_NOT: