diff --git a/3rdParty/assimp/CMakeLists.txt b/3rdParty/assimp/CMakeLists.txt
index 6e5aa12..8c4c467 100644
--- a/3rdParty/assimp/CMakeLists.txt
+++ b/3rdParty/assimp/CMakeLists.txt
@@ -3,7 +3,7 @@ include(FetchContent)
 unset(assimp_FOUND)
 find_package(assimp QUIET)
 message("assimp_FOUND: ${assimp_FOUND}; ASSIMP_FOUND: ${ASSIMP_FOUND}")
-if (assimp_FOUND)
+if (assimp_FOUND OR ASSIMP_FOUND)
     message("Using system assimp")
 elseif (USE_ASSIMP)
     message("Building assimp from sources")
@@ -36,7 +36,7 @@ function(LinkAssimp TARGET)
     if (NOT assimp_BUILT)
         find_package(assimp QUIET)
         message("assimp_FOUND: ${assimp_FOUND}; ASSIMP_FOUND: ${ASSIMP_FOUND}")
-        if (assimp_FOUND)
+        if (assimp_FOUND OR ASSIMP_FOUND)
             set(ASSIMP_LIB_NAME ${ASSIMP_LIBRARIES})
         endif ()
     else ()