diff --git a/MMS24-25.c b/MMS24-25.c
index 1bf87c8..1fae61b 100644
--- a/MMS24-25.c
+++ b/MMS24-25.c
@@ -684,8 +684,8 @@ double calculateStddev(double *pdIn, int iLen) {
  * Compares two double values for the qsort function.
  */
 int compareDoubles(const void* a, const void* b) {
-     int val_a = * ( (double*) a );
-     int val_b = * ( (double*) b );
+     double val_a = * ( (double*) a );
+     double val_b = * ( (double*) b );
 
      if ( val_a == val_b )
         return 0;