diff --git a/src/nouveau/compiler/nak/encode_sm50.rs b/src/nouveau/compiler/nak/encode_sm50.rs
index 49a26b45420..5efbf2a6ffe 100644
--- a/src/nouveau/compiler/nak/encode_sm50.rs
+++ b/src/nouveau/compiler/nak/encode_sm50.rs
@@ -1491,9 +1491,6 @@ impl SM50Instr {
     }
 
     fn encode_ffma(&mut self, op: &OpFFma) {
-        // TODO: FFMA in the 32 bits immediate form use the dest as source 2
-        assert!(op.srcs[1].as_imm_not_i20().is_none());
-
         // FFMA doesn't have any abs flags.
         assert!(!op.srcs[0].src_mod.has_fabs());
         assert!(!op.srcs[1].src_mod.has_fabs());
@@ -1506,7 +1503,7 @@ impl SM50Instr {
             }
             SrcRef::Imm32(i) => {
                 self.set_opcode(0x3280);
-                self.set_src_imm_i20(20..39, 56, *i);
+                self.set_src_imm_f20(20..39, 56, *i);
             }
             SrcRef::CBuf(cb) => {
                 self.set_opcode(0x4980);