diff --git a/src/mesa/program/prog_to_nir.c b/src/mesa/program/prog_to_nir.c
index b933553..9e01151 100644
--- a/src/mesa/program/prog_to_nir.c
+++ b/src/mesa/program/prog_to_nir.c
@@ -666,7 +666,7 @@
    [OPCODE_LIT] = 0,
    [OPCODE_LOG] = 0,
    [OPCODE_LRP] = 0,
-   [OPCODE_MAD] = nir_op_ffma,
+   [OPCODE_MAD] = 0,
    [OPCODE_MAX] = nir_op_fmax,
    [OPCODE_MIN] = nir_op_fmin,
    [OPCODE_MOV] = nir_op_fmov,
@@ -757,6 +757,10 @@
       ptn_lrp(b, dest, src);
       break;
 
+   case OPCODE_MAD:
+      ptn_move_dest(b, dest, nir_fadd(b, nir_fmul(b, src[0], src[1]), src[2]));
+      break;
+
    case OPCODE_DST:
       ptn_dst(b, dest, src);
       break;