diff --git a/Makefile.am b/Makefile.am
index 62681f3..baac474 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -128,7 +128,6 @@ $(test_trexio_f): $(trexio_f)
 trexio.mod: tests/trexio_f.o
 
 tests_test_f_SOURCES = $(test_trexio_f) tests/test_f.f90
-tests_test_f_LDFLAGS = -no-install
 
 clean-local:
 	-rm -rf -- *.dir/ *.h5 __pycache__/
diff --git a/src/templates_front/templator_front.org b/src/templates_front/templator_front.org
index 028651c..874c36a 100644
--- a/src/templates_front/templator_front.org
+++ b/src/templates_front/templator_front.org
@@ -2450,7 +2450,7 @@ trexio_read_$group_dset$(trexio_t* const file,
   if (rc != TREXIO_SUCCESS) return rc;
 
   // introduce a new variable which will be modified with the number of integrals being read if EOF is encountered
-  uint64_t eof_read_size = 0UL;
+  int64_t eof_read_size = 0UL;
 
   switch (file->back_end) {
 
diff --git a/src/templates_hdf5/templator_hdf5.org b/src/templates_hdf5/templator_hdf5.org
index eb14994..c031e3e 100644
--- a/src/templates_hdf5/templator_hdf5.org
+++ b/src/templates_hdf5/templator_hdf5.org
@@ -379,7 +379,7 @@ trexio_hdf5_has_$group_dset$ (trexio_t* const file)
 
    #+begin_src c :tangle hrw_dset_sparse_hdf5.h :exports none
 trexio_exit_code trexio_hdf5_has_$group_dset$(trexio_t* const file);
-trexio_exit_code trexio_hdf5_read_$group_dset$(trexio_t* const file, const int64_t offset_file, const int64_t size, const int64_t size_max, uint64_t* const eof_read_size, int32_t* const index_sparse, double* const value_sparse);
+trexio_exit_code trexio_hdf5_read_$group_dset$(trexio_t* const file, const int64_t offset_file, const int64_t size, const int64_t size_max, int64_t* const eof_read_size, int32_t* const index_sparse, double* const value_sparse);
 trexio_exit_code trexio_hdf5_write_$group_dset$(trexio_t* const file, const int64_t offset_file, const int64_t size, const int64_t size_max, const int32_t* index_sparse, const double* value_sparse);
 trexio_exit_code trexio_hdf5_read_$group_dset$_size(trexio_t* const file, int64_t* const size_max);
    #+end_src
@@ -478,7 +478,7 @@ trexio_hdf5_read_$group_dset$ (trexio_t* const file,
                                const int64_t offset_file,
                                const int64_t size,
                                const int64_t size_max,
-                               uint64_t* const eof_read_size,
+                               int64_t* const eof_read_size,
                                int32_t* const index_read,
                                double* const value_read)
 {
diff --git a/src/templates_text/templator_text.org b/src/templates_text/templator_text.org
index 697adcb..09fa995 100644
--- a/src/templates_text/templator_text.org
+++ b/src/templates_text/templator_text.org
@@ -1013,7 +1013,7 @@ trexio_text_has_$group_str$ (trexio_t* const file)
 
    #+begin_src c :tangle hrw_dset_sparse_text.h :exports none
 trexio_exit_code trexio_text_has_$group_dset$(trexio_t* const file);
-trexio_exit_code trexio_text_read_$group_dset$(trexio_t* const file, const int64_t offset_file, const int64_t size, const int64_t size_max, uint64_t* const eof_read_size, int32_t* const index_sparse, double* const value_sparse);
+trexio_exit_code trexio_text_read_$group_dset$(trexio_t* const file, const int64_t offset_file, const int64_t size, const int64_t size_max, int64_t* const eof_read_size, int32_t* const index_sparse, double* const value_sparse);
 trexio_exit_code trexio_text_write_$group_dset$(trexio_t* const file, const int64_t offset_file, const int64_t size, const int64_t size_max, const int64_t size_start, const int32_t* index_sparse, const double* value_sparse);
 trexio_exit_code trexio_text_read_$group_dset$_size(trexio_t* const file, int64_t* const size_max);
    #+end_src
@@ -1098,7 +1098,7 @@ trexio_exit_code trexio_text_write_$group_dset$(trexio_t* const file,
   if (f_wSize == NULL) return TREXIO_FILE_ERROR;
 
   /* Write the buffer_size */
-  rc = fprintf(f_wSize, "%ld %ld\n", size, io_start_pos);
+  rc = fprintf(f_wSize, "%" PRId64 " %" PRId64 "\n", size, io_start_pos);
   if (rc <= 0) {
     fclose(f_wSize);
     return TREXIO_FAILURE;
@@ -1119,7 +1119,7 @@ trexio_exit_code trexio_text_read_$group_dset$(trexio_t* const file,
                                                const int64_t offset_file,
                                                const int64_t size,
                                                const int64_t size_max,
-                                               uint64_t* const eof_read_size,
+                                               int64_t* const eof_read_size,
                                                int32_t* const index_sparse,
                                                double* const value_sparse)
 {
@@ -1224,7 +1224,7 @@ trexio_exit_code trexio_text_read_$group_dset$_size(trexio_t* const file, int64_
   int64_t size_item, offset_item, size_accum=0L;
 
   /* Read the values from the file. BEWARE OF POSSIBLE MAX_INT64 OVERFLOW ! */
-  while(fscanf(f, "%ld %ld", &size_item, &offset_item) != EOF) {
+  while(fscanf(f, "%" SCNd64 " %" SCNd64 "", &size_item, &offset_item) != EOF) {
     /* Check that summation will not overflow the int64_t value */
     if (INT64_MAX - size_accum > size_item) {
       size_accum += size_item;