diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c
index f7dc469bd46..4b19ed0fbb3 100644
--- a/src/intel/compiler/brw_nir.c
+++ b/src/intel/compiler/brw_nir.c
@@ -1954,6 +1954,13 @@ brw_postprocess_nir(nir_shader *nir, const struct brw_compiler *compiler,
       OPT(nir_lower_subgroups, &subgroups_options);
    }
 
+   /* Run fsign lowering again after the last time brw_nir_optimize is called.
+    * As is the case with conversion lowering (below), brw_nir_optimize can
+    * create additional fsign instructions.
+    */
+   if (OPT(brw_nir_lower_fsign))
+      OPT(nir_opt_dce);
+
    /* Run intel_nir_lower_conversions only after the last time
     * brw_nir_optimize is called. Various optimizations invoked there can
     * rematerialize the conversions that the lowering pass eliminates.