diff --git a/readLib/corsika_data/Interface.h b/readLib/corsika_data/Interface.h
index 04d63b08b7db3147fb2d3949c720d41de8a3a9bb..13b0f2505490f2a0795d1bec1dc654e4a3860c9c 100644
--- a/readLib/corsika_data/Interface.h
+++ b/readLib/corsika_data/Interface.h
@@ -10,7 +10,8 @@ namespace corsika_data {
   void CorDataFillArray(double* data, const int& length); 
   void CorDataCloseFile(); 
   double CorDataNextNumber(); 
-  int ReadNextText(std::string& data);
+  int CorDataNextText(std::string& data);
+  bool CorDataCanDeCompress() { return true; }
 
 
   // the fortran interface functions
@@ -19,7 +20,8 @@ namespace corsika_data {
     void cordatafillarray_(double* data, const int& length); 
     void cordataclosefile_(); 
     double cordatanextnumber_();
-    int readnexttext_(char* data);
+    int cordatanexttext_(char* data);
+    int cordatacandecompress() { return 1; }
   }
 }