diff --git a/ThirdParty/CMakeLists.txt b/ThirdParty/CMakeLists.txt
index 979d960e677e9790c0156f9b5320a092514b5faa..b8a1f16815167c93e5c18eecf8ef99f94929e797 100644
--- a/ThirdParty/CMakeLists.txt
+++ b/ThirdParty/CMakeLists.txt
@@ -280,7 +280,7 @@ else ()
 
   set_target_properties (
     C8::ext::conex PROPERTIES
-    IMPORTED_LOCATION ${CONEX_PREFIX}/lib/${CMAKE_SYSTEM_NAME}/libCONEXsibyll.so
+    IMPORTED_LOCATION ${CONEX_PREFIX}/lib/${CMAKE_SYSTEM_NAME}/libCONEXsibyll.a
     IMPORTED_NO_SONAME 1
     SKIP_BUILD_RPATH FALSE
     INTERFACE_INCLUDE_DIRECTORIES