diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index 227faf60e45..e9a416a6a3e 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -4096,9 +4096,9 @@ distribute_src_mods = [
    (('fneg', ('fmul(is_used_once)', a, b)), ('fmul', ('fneg', a), b)),
    (('fabs', ('fmul(is_used_once)', a, b)), ('fmul', ('fabs', a), ('fabs', b))),
 
-   (('fneg', ('ffma(is_used_once)', a, b, c)), ('ffma', ('fneg', a), b, ('fneg', c))),
+   (('fneg', ('ffma(is_used_once,nsz)', a, b, c)), ('ffma', ('fneg', a), b, ('fneg', c))),
    (('fneg', ('flrp(is_used_once)', a, b, c)), ('flrp', ('fneg', a), ('fneg', b), c)),
-   (('fneg', ('~fadd(is_used_once)', a, b)), ('fadd', ('fneg', a), ('fneg', b))),
+   (('fneg', ('fadd(is_used_once,nsz)', a, b)), ('fadd', ('fneg', a), ('fneg', b))),
 
    # Note that fmin <-> fmax.  I don't think there is a way to distribute
    # fabs() into fmin or fmax.