diff --git a/contrib/pg_stat_statements/pg_stat_statements.c b/contrib/pg_stat_statements/pg_stat_statements.c
index 32d16cc5f3..a3e8c595b8 100644
--- a/contrib/pg_stat_statements/pg_stat_statements.c
+++ b/contrib/pg_stat_statements/pg_stat_statements.c
@@ -80,7 +80,7 @@
 PG_MODULE_MAGIC;
 
 /* Location of permanent stats file (valid when database is shut down) */
-#define PGSS_DUMP_FILE	"global/pg_stat_statements.stat"
+#define PGSS_DUMP_FILE	PGSTAT_STAT_PERMANENT_DIRECTORY "/pg_stat_statements.stat"
 
 /*
  * Location of external query text file.  We don't keep it in the core
diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index f86481665f..3ab1428f7c 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -67,14 +67,6 @@
 #include "utils/tqual.h"
 
 
-/* ----------
- * Paths for the statistics files (relative to installation's $PGDATA).
- * ----------
- */
-#define PGSTAT_STAT_PERMANENT_DIRECTORY		"pg_stat"
-#define PGSTAT_STAT_PERMANENT_FILENAME		"pg_stat/global.stat"
-#define PGSTAT_STAT_PERMANENT_TMPFILE		"pg_stat/global.tmp"
-
 /* ----------
  * Timer definitions.
  * ----------
diff --git a/src/include/pgstat.h b/src/include/pgstat.h
index d9de09fea0..08925336d1 100644
--- a/src/include/pgstat.h
+++ b/src/include/pgstat.h
@@ -20,6 +20,14 @@
 #include "utils/relcache.h"
 
 
+/* ----------
+ * Paths for the statistics files (relative to installation's $PGDATA).
+ * ----------
+ */
+#define PGSTAT_STAT_PERMANENT_DIRECTORY		"pg_stat"
+#define PGSTAT_STAT_PERMANENT_FILENAME		"pg_stat/global.stat"
+#define PGSTAT_STAT_PERMANENT_TMPFILE		"pg_stat/global.tmp"
+
 /* Default directory to store temporary statistics data in */
 #define PG_STAT_TMP_DIR		"pg_stat_tmp"