diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 49cd799..6535465 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -54,7 +54,7 @@ if (UNIX AND NOT APPLE)
     set(ads_SRCS linux/FloatingWidgetTitleBar.cpp ${ads_SRCS})
     set(ads_HEADERS linux/FloatingWidgetTitleBar.h ${ads_HEADERS})
 endif()
-if(BUILD_STATIC)
+if(NOT BUILD_SHARED_LIBS)
     add_library(qtadvanceddocking STATIC ${ads_SRCS} ${ads_HEADERS})
     target_compile_definitions(qtadvanceddocking PUBLIC ADS_STATIC)
 else()