diff --git a/CMakeLists.txt b/CMakeLists.txt
index b29edce..48d0553 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -66,8 +66,9 @@ write_basic_package_version_file("tmxConfigVersion.cmake" COMPATIBILITY SameMajo
 #   Build
 #-----------#
 
-list(APPEND targets tmx)
+set(targets tmx)
 
+if (NOT BUILD_SHARED_LIBS)
 add_library(tmx STATIC ${SOURCES})
 set_target_properties(tmx PROPERTIES VERSION ${BUILD_VERSION})
 
@@ -75,8 +76,8 @@ set_property(TARGET tmx
              APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES
              $<INSTALL_INTERFACE:include>)
 
-if(BUILD_SHARED_LIBS)
-    list(APPEND targets tmx_shared)
+else()
+    set(targets tmx_shared)
 
     add_library(tmx_shared SHARED ${SOURCES})
     target_link_libraries(tmx_shared PRIVATE ${libs})