diff --git a/lexer.c b/lexer.c
index 7f00a0f..fb4035d 100644
--- a/lexer.c
+++ b/lexer.c
@@ -8,9 +8,6 @@ Cursor cursor = {
 };
 
 char* nextchar(void){
-  if (cursor.chunk >= page.len){
-    return NULL;
-  }
   if (page.chunks[cursor.chunk][cursor.offset+1] == '\0'){
     cursor.chunk++;
     cursor.offset = 0;
@@ -18,6 +15,10 @@ char* nextchar(void){
     cursor.offset++;
   } 
 
+  if (cursor.chunk >= page.len){
+    return NULL;
+  }
+
   return &page.chunks[cursor.chunk][cursor.offset];
 }