diff --git a/components/isceobj/Scene/CMakeLists.txt b/components/isceobj/Scene/CMakeLists.txt
index 59ddc0f..cca52eb 100644
--- a/components/isceobj/Scene/CMakeLists.txt
+++ b/components/isceobj/Scene/CMakeLists.txt
@@ -1,4 +1,4 @@
-add_library(concatenate SHARED
+isce2_add_cdll(concatenate
     src/frame_concatenate.c
     src/swst_resample.c
     )