diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index f153570105b..fdfb0250b0b 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -441,6 +441,7 @@ optimizations = [
    (('i2b', ('iabs', a)), ('i2b', a)),
    (('fabs', ('b2f', a)), ('b2f', a)),
    (('iabs', ('b2i', a)), ('b2i', a)),
+   (('inot', ('f2b', a)), ('feq', a, 0.0)),
 
    # Packing and then unpacking does nothing
    (('unpack_64_2x32_split_x', ('pack_64_2x32_split', a, b)), a),