diff --git a/qemu/target/m68k/softfloat.c b/qemu/target/m68k/softfloat.c
index d0939972..b45a5e86 100644
--- a/qemu/target/m68k/softfloat.c
+++ b/qemu/target/m68k/softfloat.c
@@ -31,13 +31,14 @@ static floatx80 propagateFloatx80NaNOneArg(floatx80 a, float_status *status)
 {
     if (floatx80_is_signaling_nan(a, status)) {
         float_raise(float_flag_invalid, status);
+        a = floatx80_silence_nan(a, status);
     }
 
     if (status->default_nan_mode) {
         return floatx80_default_nan(status);
     }
 
-    return floatx80_maybe_silence_nan(a, status);
+    return a;
 }
 
 /*----------------------------------------------------------------------------