diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e85b40a4..cd06a2908 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -314,7 +314,7 @@ if(ICINGA2_LTO_BUILD)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -flto")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto")
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto")
-    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto")
+    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -flto")
 
     if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.0) AND NOT OPENBSD)
       set(CMAKE_AR "gcc-ar")