diff --git a/FindTurtle.cmake b/FindTurtle.cmake
index 50edcc684db046c7b9be2faab7159d1dbc90ee08..8a8181ad61acc87ac1fb4517709fd2a88bd787c4 100644
--- a/FindTurtle.cmake
+++ b/FindTurtle.cmake
@@ -8,7 +8,7 @@ FIND_PATH(
     HINTS
         $ENV{TURTLE_INCLUDE_DIR}
         ${TURTLE_INCLUDE_DIR}
-        external_dependencies/turtle
+        external_dependencies/turtle/
 
     PATHS
         /usr
@@ -19,6 +19,7 @@ FIND_PATH(
     PATH_SUFFIXES
         include
         turtle
+        include/turtle/include/turtle
         include/turtle
 )
 # Set TURTLE_FOUND honoring the QUIET and REQUIRED arguments