diff --git a/pymbolic/mapper/c_code.py b/pymbolic/mapper/c_code.py
index 4a1b9b7ec22c764f045add605344f9f30fd2a99a..bae2d108eecbd205444c36f5b38710db6d46a6ff 100644
--- a/pymbolic/mapper/c_code.py
+++ b/pymbolic/mapper/c_code.py
@@ -67,12 +67,11 @@ class CCodeMapper(SimplifyingSortingStringifyMapper):
         # Let's see how bad of an idea this is--sane people would only
         # apply this to integers, right?
 
-        from pymbolic.mapper.stringifier import PREC_PRODUCT, PREC_POWER
-        return self.parenthesize_if_needed(
-                self.format("%s/%s", 
-                    self.rec(expr.numerator, PREC_PRODUCT), 
-                    self.rec(expr.denominator, PREC_POWER)), # analogous to ^{-1}
-                enclosing_prec, PREC_PRODUCT)
+        from pymbolic.mapper.stringifier import (
+                PREC_PRODUCT, PREC_POWER)
+        return self.format("(%s/%s)",
+                    self.rec(expr.numerator, PREC_PRODUCT),
+                    self.rec(expr.denominator, PREC_POWER)) # analogous to ^{-1}
 
     def map_common_subexpression(self, expr, enclosing_prec):
         try:
diff --git a/pymbolic/mapper/stringifier.py b/pymbolic/mapper/stringifier.py
index 677d8b4aab7d53a2ac6199a2186a25f1341b7d5c..b6c5c0bbd30e2793d5eb613e4b9d130f6beca2fe 100644
--- a/pymbolic/mapper/stringifier.py
+++ b/pymbolic/mapper/stringifier.py
@@ -112,11 +112,9 @@ class StringifyMapper(pymbolic.mapper.RecursiveMapper):
                 enclosing_prec, PREC_POWER)
 
     def map_remainder(self, expr, enclosing_prec):
-        return self.parenthesize_if_needed(
-                self.format("%s %% %s",
+        return self.format("(%s %% %s)",
                     self.rec(expr.numerator, PREC_PRODUCT),
-                    self.rec(expr.denominator, PREC_POWER)), # analogous to ^{-1}
-                enclosing_prec, PREC_PRODUCT)
+                    self.rec(expr.denominator, PREC_POWER)) # analogous to ^{-1}
 
     def map_polynomial(self, expr, enclosing_prec):
         from pymbolic.primitives import flattened_sum