diff --git a/Lib/decimal.py b/Lib/decimal.py
index 7fb9c7b..83ca020 100644
--- a/Lib/decimal.py
+++ b/Lib/decimal.py
@@ -2651,10 +2651,10 @@
             sn = self._isnan()
             on = other._isnan()
             if sn or on:
-                if on == 1 and sn != 2:
-                    return self._fix_nan(context)
-                if sn == 1 and on != 2:
-                    return other._fix_nan(context)
+                if on == 1 and sn == 0:
+                    return self._fix(context)
+                if sn == 1 and on == 0:
+                    return other._fix(context)
                 return self._check_nans(other, context)
 
         c = self._cmp(other)
@@ -2693,10 +2693,10 @@
             sn = self._isnan()
             on = other._isnan()
             if sn or on:
-                if on == 1 and sn != 2:
-                    return self._fix_nan(context)
-                if sn == 1 and on != 2:
-                    return other._fix_nan(context)
+                if on == 1 and sn == 0:
+                    return self._fix(context)
+                if sn == 1 and on == 0:
+                    return other._fix(context)
                 return self._check_nans(other, context)
 
         c = self._cmp(other)
@@ -3251,10 +3251,10 @@
             sn = self._isnan()
             on = other._isnan()
             if sn or on:
-                if on == 1 and sn != 2:
-                    return self._fix_nan(context)
-                if sn == 1 and on != 2:
-                    return other._fix_nan(context)
+                if on == 1 and sn == 0:
+                    return self._fix(context)
+                if sn == 1 and on == 0:
+                    return other._fix(context)
                 return self._check_nans(other, context)
 
         c = self.copy_abs()._cmp(other.copy_abs())
@@ -3281,10 +3281,10 @@
             sn = self._isnan()
             on = other._isnan()
             if sn or on:
-                if on == 1 and sn != 2:
-                    return self._fix_nan(context)
-                if sn == 1 and on != 2:
-                    return other._fix_nan(context)
+                if on == 1 and sn == 0:
+                    return self._fix(context)
+                if sn == 1 and on == 0:
+                    return other._fix(context)
                 return self._check_nans(other, context)
 
         c = self.copy_abs()._cmp(other.copy_abs())