diff --git a/src/libstrongswan/Makefile.am b/src/libstrongswan/Makefile.am
index 3804adb03..63603bfe9 100644
--- a/src/libstrongswan/Makefile.am
+++ b/src/libstrongswan/Makefile.am
@@ -488,9 +488,7 @@ if MONOLITHIC
 endif
 endif
 
-if UNITTESTS
 if MONOLITHIC
   SUBDIRS += .
 endif
-  SUBDIRS += tests
-endif
+SUBDIRS += tests