diff --git a/maglib/src/include/maglib.hh b/maglib/src/include/maglib.hh
index af732a6..479bbe5 100644
--- a/maglib/src/include/maglib.hh
+++ b/maglib/src/include/maglib.hh
@@ -10,8 +10,8 @@ extern "C" {
  */
    
    void getmag_(int* iyear, int* imonth, int* iday, int* ihour, int* imin, int* isec, 
-           int* magout, int* isatex, float* rrmag_i, float* thetr_i, float* phir_i, 
-           float* tgl, float* flg, float* xlamb, int* ifail);
+           int* magout, int* isatex, double* rrmag_i, double* thetr_i, double* phir_i, 
+           double* tgl, double* flg, double* xlamb, int* ifail);
 
 #ifdef __cplusplus
 }
--
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