diff --git a/3rdParty/assimp/CMakeLists.txt b/3rdParty/assimp/CMakeLists.txt
index bad2bad..782c75b 100644
--- a/3rdParty/assimp/CMakeLists.txt
+++ b/3rdParty/assimp/CMakeLists.txt
@@ -7,7 +7,7 @@ if (NOT IOS)
 endif ()
 if (assimp_FOUND OR ASSIMP_FOUND)
     message("Using system assimp")
-elseif (ENABLE_ASSIMP AND NOT assimp_BUILT)
+elseif (ENABLE_ASSIMP)
     message("Building assimp from sources")
     if(NOT DEFINED ASSIMP_REPO)
         set(ASSIMP_REPO https://github.com/assimp/assimp.git)