diff --git a/test/base-object-packer.cpp b/test/base-object-packer.cpp
index b453d6901..62a09e72c 100644
--- a/test/base-object-packer.cpp
+++ b/test/base-object-packer.cpp
@@ -26,7 +26,7 @@
 #include <climits>
 #include <initializer_list>
 #include <iomanip>
-#include <strstream>
+#include <sstream>
 
 using namespace icinga;