diff --git a/fortran/Makefile b/fortran/Makefile
index c57e70a3..77c96b68 100644
--- a/fortran/Makefile
+++ b/fortran/Makefile
@@ -9,15 +9,15 @@ OBJ_FILES=$(patsubst $(SRC_DIR)/%.f90, $(BUILD_DIR)/%.o, $(SRC_FILES))
 
 
 ifeq ($(FC),ifort)
-opt_args= -Wall -march=native -qwholeprogram -J$(BUILD_DIR)
+opt_args= -Wall -Werror -march=native -qwholeprogram -J$(BUILD_DIR)
 else ifeq ($(FC),lfortran)
 opt_args= -J$(BUILD_DIR)
 else ifeq ($(FC),nvfortran)
-opt_args= -Wall -march=native -module $(BUILD_DIR)
+opt_args= -Wall -Werror -march=native -module $(BUILD_DIR)
 else ifneq (,$(findstring flang,$(FC)))
-opt_args= -march=native -flto -J$(BUILD_DIR)
+opt_args= -Werror -march=native -flto -J$(BUILD_DIR)
 else
-opt_args= -Wall -march=native -flto -J$(BUILD_DIR)
+opt_args= -Wall -Werror -march=native -flto -J$(BUILD_DIR)
 endif
 
 ifneq ($(COV),false)
diff --git a/fortran/src/include/utils.f90 b/fortran/src/include/utils.f90
index 2decc766..3cf807a9 100644
--- a/fortran/src/include/utils.f90
+++ b/fortran/src/include/utils.f90
@@ -17,16 +17,19 @@ function get_data_file(filename) result(contents)
         character(len=:), allocatable :: contents
         character(len=64) :: line
         integer :: unit_number, iostat, file_size
+        contents = ''
 
         open(newunit=unit_number, file=("../_data/" // filename), status='old', action='read', iostat=iostat)
         if (iostat /= 0) then
             print *, "Error opening file: ../_data/" // filename
-            contents = ''
             return
         end if
 
         inquire(unit=unit_number, size=file_size)
         if (file_size > 0) then
+            if (allocated(contents)) then
+                deallocate(contents)
+            end if
             allocate(character(len=file_size) :: contents)
             contents = ''
             do
@@ -37,8 +40,6 @@ function get_data_file(filename) result(contents)
                 end if
                 contents = contents // trim(line) // char(10)
             end do
-        else
-            contents = ''
         end if
         close(unit_number)
     end function get_data_file
diff --git a/fortran/test.f90 b/fortran/test.f90
index e719bfa0..33c641ec 100644
--- a/fortran/test.f90
+++ b/fortran/test.f90
@@ -44,7 +44,7 @@ subroutine process_problems(problem_ids, long_runtime)
         integer(kind=4), dimension(:), intent(in) :: problem_ids
         logical(kind=1), dimension(:), intent(in) :: long_runtime
         type(AnswerT) :: expected, answer
-        integer(kind=4) :: i, j
+        integer(kind=4) :: i
         integer :: first_count, second_count, count_rate, count_max, tmp
         real :: time_elapsed
 
@@ -91,21 +91,6 @@ subroutine process_problems(problem_ids, long_runtime)
                         print *, "  Error: problem ", problem_ids(i), " failed!"
                         print *, "  Expected Answer  : ", expected%string_value
                         print *, "  Solution returned: ", answer%string_value
-                        do j = 1, len(expected%string_value)
-                            write(*, '(A, I3)', advance='no') "Character ", j, ": ", ichar(expected%string_value(j:j))
-                            if (j < len(expected%string_value)) then
-                                write(*, '(A, I3)', advance='no') ", "
-                            end if
-                        end do
-                        print *
-                        do j = 1, len(answer%string_value)
-                            write(*, '(A, I3)', advance='no') "Character ", j, ": ", ichar(answer%string_value(j:j))
-                            if (j < len(answer%string_value)) then
-                                write(*, '(A, I3)', advance='no') ", "
-                            end if
-                        end do
-                        print *
-                        deallocate(answer%string_value, expected%string_value)
                         stop 1
                     end if
                     deallocate(answer%string_value, expected%string_value)