diff --git a/hallo-welt.c b/hallo-welt.c
index 30f2e0b..640887b 100644
--- a/hallo-welt.c
+++ b/hallo-welt.c
@@ -10,7 +10,7 @@
 void hallo_welt(void) { printf(HALLO); }
 
 // use more then one int type
-const char *binaerzahl(uint8_t bin) {
+const char *binaerzahl(uint32_t bin) {
   char *str = malloc(sizeof(bin) * 8 +
                      1); // Allocate 8 bits for actual data and 1 Bit for the \0
                          // sign indicating the end of the string
@@ -27,8 +27,8 @@ const char *binaerzahl(uint8_t bin) {
 }
 
 int getint(void) {
-  uint8_t i;
-  scanf("%hhu", &i);
+  uint32_t i;
+  scanf("%u", &i);
   return i;
 }