diff --git a/sortlines/sortlines.c b/sortlines/sortlines.c
index e3655c6..b924be4 100644
--- a/sortlines/sortlines.c
+++ b/sortlines/sortlines.c
@@ -27,7 +27,7 @@ void quicksort_string(char* strings[static 1], size_t start, size_t end) {
     putchar('\n');
 #endif
 
-    if (end - start <= 2) {
+    if (end - start < 2) {
 #ifdef DEBUG
         puts("returning");
 #endif