diff --git a/Lib/decimal.py b/Lib/decimal.py
index 4d1f7f9f152..75e5eea7b97 100644
--- a/Lib/decimal.py
+++ b/Lib/decimal.py
@@ -3126,7 +3126,8 @@ class Decimal(object):
         # otherwise, simply return the adjusted exponent of self, as a
         # Decimal.  Note that no attempt is made to fit the result
         # into the current context.
-        return Decimal(self.adjusted())
+        ans = Decimal(self.adjusted())
+        return ans._fix(context)
 
     def _islogical(self):
         """Return True if self is a logical operand.
diff --git a/Misc/NEWS b/Misc/NEWS
index f90c8f4fa7d..cbd3040126e 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -398,6 +398,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #7048: Force Decimal.logb to round its result when that result
+  is too large to fit in the current precision.
+
 - Issue #6516: Added owner/group support when creating tar archives in 
   Distutils.