diff --git a/src/yaml/pull_parser.cr b/src/yaml/pull_parser.cr
index f24a8a5182a8..0a6ca208d635 100644
--- a/src/yaml/pull_parser.cr
+++ b/src/yaml/pull_parser.cr
@@ -260,24 +260,24 @@ class YAML::PullParser
 
   # Note: YAML starts counting from 0, we want to count from 1
 
-  def location
+  def location : {Int32, Int32}
     {start_line, start_column}
   end
 
-  def start_line : Int
-    @event.start_mark.line + 1
+  def start_line : Int32
+    @event.start_mark.line.to_i32 + 1
   end
 
-  def start_column : Int
-    @event.start_mark.column + 1
+  def start_column : Int32
+    @event.start_mark.column.to_i32 + 1
   end
 
-  def end_line : Int
-    @event.end_mark.line + 1
+  def end_line : Int32
+    @event.end_mark.line.to_i32 + 1
   end
 
-  def end_column : Int
-    @event.end_mark.column + 1
+  def end_column : Int32
+    @event.end_mark.column.to_i32 + 1
   end
 
   private def problem_line_number