diff --git a/CMakeLists.txt b/CMakeLists.txt
index 287ba94..a326b1a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,7 +52,7 @@ foreach(src ${SEALLIB_SOURCES})
 endforeach()
 
 if (SEALLIB_HAS_SOURCES)
-    SEALLIB_HAS_SOURCES(seallib STATIC ${SEALLIB_SOURCES})
+    add_library(seallib STATIC ${SEALLIB_SOURCES})
 else()
     add_library(seallib INTERFACE)
     target_sources(seallib INTERFACE ${SEALLIB_SOURCES})