diff --git a/app.cpp b/app.cpp
index f0f0d1d..51331ce 100644
--- a/app.cpp
+++ b/app.cpp
@@ -1,4 +1,4 @@
-#include <math.h>
+#include <stdio.h>
 #include "core.cpp"
 
 int main(int argc, char **argv) {
@@ -7,9 +7,15 @@ int main(int argc, char **argv) {
     Arena *arena = arenaAlloc(Megabytes(64));
     list<string> args = getArgs(arena, argc, argv);
 
-    {
-        log("teststr: %S :teststrend", strlit("teststring hahaha"));
-    };
+    log(strSplit(arena, strlit("-"), strlit("hallo-world")));
+
+    while (true) {
+        size_t arenaPos = arena->head;
+        string line = PushString(arena, 128);
+        fgets(line.str, (int)line.length, stdin);
+        log(strSplit(arena, strlit("-"), line));
+        arenaFreeFrom(arena, arenaPos);
+    }
 
     return statusCode;
 }
diff --git a/core.cpp b/core.cpp
index 03c8707..efa4328 100644
--- a/core.cpp
+++ b/core.cpp
@@ -222,7 +222,7 @@ list<string> strSplit(Arena *arena, string splitStr, string inputStr) {
         size_t start = 0;
         void *beginning = (char *)arena->memory + arena->head;
         while (c < inputStr.length - splitStr.length) {
-            if (strEql(strSlice(inputStr, c, splitStr.length), splitStr)) {
+            if (strEql(strSlice(inputStr, c, c + splitStr.length), splitStr)) {
                 string *splitString = PushStruct(arena, string);
                 splitString->str = inputStr.str + start;
                 splitString->length = c - start;