diff --git a/src/panfrost/compiler/bifrost/bi_opt_cse.c b/src/panfrost/compiler/bifrost/bi_opt_cse.c
index 23984bef4f9..aa082bf1c56 100644
--- a/src/panfrost/compiler/bifrost/bi_opt_cse.c
+++ b/src/panfrost/compiler/bifrost/bi_opt_cse.c
@@ -116,6 +116,7 @@ instr_can_cse(const bi_instr *I)
    switch (I->op) {
    case BI_OPCODE_DTSEL_IMM:
    case BI_OPCODE_DISCARD_F32:
+   case BI_OPCODE_WMASK:
       return false;
    default:
       break;