diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 0f51eb493cf..411bb1565f7 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2014-08-13  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* Fix thinko in the last commit.
+
 2014-08-13  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR libstdc++/62118
diff --git a/libstdc++-v3/include/ext/random.tcc b/libstdc++-v3/include/ext/random.tcc
index 9aef359adc9..88ce8218e8d 100644
--- a/libstdc++-v3/include/ext/random.tcc
+++ b/libstdc++-v3/include/ext/random.tcc
@@ -1611,7 +1611,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 	  // accurate.
 	  auto __norm = std::hypot(__ret[0], __ret[1]);
 #else
-	  auto __norm = std::sqrt(__ret[0] * __ret[0] + __ret[1] * __ret[1]);
+	  auto __norm = std::sqrt(__sq);
 #endif
 	  __ret[0] /= __norm;
 	  __ret[1] /= __norm;