diff --git a/_posts/2018-04-22-bzhctf18.md b/_posts/2018-04-22-bzhctf18.md
index 7fe93ba..6afd1f5 100644
--- a/_posts/2018-04-22-bzhctf18.md
+++ b/_posts/2018-04-22-bzhctf18.md
@@ -310,13 +310,13 @@ def convert_path_to_relative_moves(p):
     dx = p[0][0] - p[1][0]
     dy = p[0][1] - p[1][1]
     if dx < 0: # right
-        return 'l'+recompute_path(p[1:])
+        return 'l'+convert_path_to_relative_moves(p[1:])
     elif dx > 0: # left
-        return 'j'+recompute_path(p[1:])
+        return 'j'+convert_path_to_relative_moves(p[1:])
     elif dy < 0: # bottom
-        return 'k'+recompute_path(p[1:])
+        return 'k'+convert_path_to_relative_moves(p[1:])
     elif dy > 0: # up
-        return 'i'+recompute_path(p[1:])
+        return 'i'+convert_path_to_relative_moves(p[1:])
 
 while True:
     # get input