diff --git a/examples/bug.noja b/examples/bug.noja
new file mode 100644
index 0000000..5e5a34d
--- /dev/null
+++ b/examples/bug.noja
@@ -0,0 +1 @@
+unicode('');
\ No newline at end of file
diff --git a/examples/deepfailure.noja b/examples/deepfailure.noja
index acddc14..1d3262b 100644
--- a/examples/deepfailure.noja
+++ b/examples/deepfailure.noja
@@ -11,5 +11,4 @@ fun fail_at_depth(depth) {
 	fail(0);
 }
 
-
 fail_at_depth(9);
\ No newline at end of file
diff --git a/src/builtins/basic.c b/src/builtins/basic.c
index 5e4dad0..3912e67 100644
--- a/src/builtins/basic.c
+++ b/src/builtins/basic.c
@@ -31,9 +31,11 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdint.h>
 #include "basic.h"
 #include "files.h"
 #include "math.h"
+#include "../utils/utf8.h"
 
 static Object *bin_print(Runtime *runtime, Object **argv, unsigned int argc, Error *error)
 {