diff --git a/src/LASlib/lasdefinitions.hpp b/src/LASlib/lasdefinitions.hpp
index ec92dd6..32a5ed6 100644
--- a/src/LASlib/lasdefinitions.hpp
+++ b/src/LASlib/lasdefinitions.hpp
@@ -756,12 +756,18 @@ class LASheader : public LASquantizer, public LASattributer
           if (delete_data)
           {
             delete [] evlrs[i].data;
+            evlrs[i].data = 0;
           }
         }
         number_of_extended_variable_length_records--;
         if (number_of_extended_variable_length_records)
         {
-          evlrs[i] = evlrs[number_of_extended_variable_length_records];
+          // Fix for #67. I do not understand why realloc corrupts the memory.
+          LASevlr* tmp = (LASevlr*)calloc(number_of_extended_variable_length_records, sizeof(LASevlr));
+          for (U32 j = 0, k = 0; j < number_of_extended_variable_length_records+1; ++j) { if (j != i) { tmp[k++] = evlrs[j]; }}
+          free(evlrs);
+          evlrs = tmp;
+          //evlrs[i] = evlrs[number_of_extended_variable_length_records];
           //evlrs = (LASevlr*)realloc(evlrs, sizeof(LASvlr)*number_of_extended_variable_length_records);
         }
         else