const char *

diff --git a/src/spacetimecorr.cpp b/src/spacetimecorr.cpp
index 854acecc1487a3fc979a5a5f0d9f6ae5957ad677..bc479bc92ab86ac2739a0c04a1ea8b706106ac1c 100644 (file)
--- a/src/spacetimecorr.cpp
+++ b/src/spacetimecorr.cpp
@@ -107,7 +107,7 @@ void make_pdb_trajectory(std::vector< std::vector< RVec > > trajectory, const ch
 79 - 80        LString(2)      Charge on the atom.
 */
 
-void make_correlation_file(std::vector< std::vector< std::vector< double > > > correlations, char* file_name, int start)
+void make_correlation_file(std::vector< std::vector< std::vector< double > > > correlations, const char* file_name, int start)
 {
     FILE *file;
     file = std::fopen(file_name, "w+");