diff --git a/Makefile b/Makefile
index c60f10b..d88408d 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,7 @@ PGFILEDESC = "pg_stat_monitor - execution statistics of SQL statements"
 LDFLAGS_SL += $(filter -lm, $(LIBS)) 
 
 TAP_TESTS = 1
+EXTRA_INSTALL = contrib/pg_stat_statements
 REGRESS_OPTS = --temp-config $(top_srcdir)/contrib/pg_stat_monitor/pg_stat_monitor.conf --inputdir=regression
 REGRESS = basic \
 	version \