diff --git a/convert_to_ints.c b/convert_to_ints.c
index 2094d56..32de1be 100644
--- a/convert_to_ints.c
+++ b/convert_to_ints.c
@@ -50,7 +50,7 @@ MAYBE(intmax_t_array) convert_to_numbers(char *line) {
 
 	struct intmax_t_array numbers;
 	numbers.length = 0;
-	numbers.alloc_size = 64 * sizeof(intmax_t);
+	numbers.alloc_size = 8 * sizeof(intmax_t);
 	numbers.data = TRY_MALLOC(numbers.alloc_size * sizeof(intmax_t));
 
 	char *strtok_saveptr = NULL;