diff --git a/src/core/system_parameters/MATH_CONSTANTS.h b/src/core/system_parameters/MATH_CONSTANTS.h
index b8eeabb92..8e106b084 100644
--- a/src/core/system_parameters/MATH_CONSTANTS.h
+++ b/src/core/system_parameters/MATH_CONSTANTS.h
@@ -79,7 +79,7 @@ const double TWO_N43 = (1.136868377216160e-013);  //!< 2^-43
 const double TWO_N46 = (1.4210854715202e-014);    //!< 2^-46
 
 const double TWO_N50 = (8.881784197001252e-016);  //!< 2^-50
-const double TWO_N51 = (4.44089209850063e+016);   //!< 2^-51
+const double TWO_N51 = (4.44089209850063e-016);   //!< 2^-51
 const double TWO_N55 = (2.775557561562891e-017);  //!< 2^-55
 const double TWO_N59 = (1.73472347597681e-018);   //!< 2^-59