diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index 3d6b0ab3cad..2d137605bf4 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -566,6 +566,7 @@ emit_alu(bi_context *ctx, nir_alu_instr *instr)
         switch (instr->op) {
         case nir_op_fmul:
                 alu.src[2] = BIR_INDEX_ZERO; /* FMA */
+                alu.src_types[2] = alu.src_types[1];
                 break;
         case nir_op_fsat:
                 alu.outmod = BIFROST_SAT; /* FMOV */