diff --git a/src/files.c b/src/files.c
index 28ac17d..6689118 100644
--- a/src/files.c
+++ b/src/files.c
@@ -57,12 +57,11 @@ ksrbuffer* read_file(FILE *file)
 		// getting back to the beginning of the file.
 		fseek(file, 0, SEEK_SET);
 
-		// allocating a buffer corresponding to the file size, plus the end of string char.
-		ksrbuffer *buffer = ksrbuffer_new(filesize + 1);
+		// allocating a buffer corresponding to the file size.
+		ksrbuffer *buffer = ksrbuffer_new(filesize);
 
 		// reading the file into the buffer.
 		fread(buffer->bytes, 1, buffer->length, file);
-		buffer->bytes[buffer->length - 1] = 0; // 0-terminated string.
 
 		return buffer; // returning allocated buffer.
 	}
diff --git a/tests/ksrfiles.c b/tests/ksrfiles.c
index 633a341..6dfca09 100644
--- a/tests/ksrfiles.c
+++ b/tests/ksrfiles.c
@@ -11,13 +11,12 @@ int main(void)
 	write_file("ksrtesttesttmp/tmp/test.tmp", buffer);
 
 	// try to read the previously written file, and checking that the buffer has been read properly.
-	ksrbuffer *read_buffer = read_file_from_path("test.tmp");
-	assert(read_buffer->length == 13);
+	ksrbuffer *read_buffer = read_file_from_path("ksrtesttesttmp/tmp/test.tmp");
+	assert(read_buffer->length == 12);
 	assert(read_buffer->bytes[0] == 'H');
 	assert(read_buffer->bytes[3] == 'l');
 	assert(read_buffer->bytes[7] == 'o');
 	assert(read_buffer->bytes[11] == '!');
-	assert(read_buffer->bytes[12] == 0);
 
 	// delete test directory.
 	system("rm -Rf ksrtesttesttmp");