diff --git a/Makefile.am b/Makefile.am
index 1253577..d3cbcf1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2,7 +2,7 @@ ACLOCAL_AMFLAGS     = -I m4
 
 doc_DATA            = API.md README.md LICENSE
 EXTRA_DIST          = API.md README.md LICENSE AUTHORS ChangeLog.md
-DIST_SUBDIRS        = examples tests
+DIST_SUBDIRS        = src examples tests
 SUBDIRS             = src tests
 
 ## Generate .deb package