diff --git a/third-party/CMakeLists.txt b/third-party/CMakeLists.txt
index 17a4ab35c..2606e5038 100644
--- a/third-party/CMakeLists.txt
+++ b/third-party/CMakeLists.txt
@@ -25,5 +25,8 @@ if(UNIX OR CYGWIN)
   add_subdirectory(execvpe)
 endif()
 
-add_subdirectory(socketpair)
-add_subdirectory(hiredis)
+if(ICINGA2_WITH_REDIS)
+  add_subdirectory(hiredis)
+endif()
+
+add_subdirectory(socketpair)
\ No newline at end of file