diff --git a/factorial_examples/factorial.c b/factorial_examples/factorial.c
index d693c01..7946aef 100644
--- a/factorial_examples/factorial.c
+++ b/factorial_examples/factorial.c
@@ -21,15 +21,15 @@ uintmax_t factorial_iter(uintmax_t n) {
 
 int main(void) {
 	size_t bufsize = 1024;
-	char **lineptr = calloc(bufsize, sizeof(char));
+	char *lineptr = calloc(bufsize, sizeof(char));
 	fputs("Enter number to factor: ", stdout);
-	int err = getline(lineptr, &bufsize, stdin);
+	int err = getline(&lineptr, &bufsize, stdin);
 	if(err == -1) {
 		puts("Error reading line from user input");
 		return 1;
 	}
 
-	uintmax_t user_input = abs(atoi(*lineptr));
+	uintmax_t user_input = abs(atoi(lineptr));
 	printf("\nRecursive factorial for number: %ju\n", factorial(user_input));
 	printf("Iterative factorial for number: %ju\n", factorial_iter(user_input));
 	free(lineptr);