diff --git a/src/sequencer/gen_ss_code.c b/src/sequencer/gen_ss_code.c
index 9c66438e3..4d1c9e422 100644
--- a/src/sequencer/gen_ss_code.c
+++ b/src/sequencer/gen_ss_code.c
@@ -13,7 +13,8 @@
 #include	<stdio.h>
 #include	"parse.h"
 #include	"cadef.h"
-#include	"seq.h"
+#include <dbDefs.h>
+#include <seqU.h>
 
 /*+************************************************************************
 *  NAME: gen_ss_code
diff --git a/src/sequencer/gen_tables.c b/src/sequencer/gen_tables.c
index 6fa78e93f..b6903e5aa 100644
--- a/src/sequencer/gen_tables.c
+++ b/src/sequencer/gen_tables.c
@@ -13,7 +13,8 @@
 
 #include	<stdio.h>
 #include	"parse.h"
-#include	"seq.h"
+#include	<dbDefs.h>
+#include	<seqU.h>
 
 /*+************************************************************************
 *  NAME: gen_tables
diff --git a/src/sequencer/phase2.c b/src/sequencer/phase2.c
index 96bf587b9..3ad0627d0 100644
--- a/src/sequencer/phase2.c
+++ b/src/sequencer/phase2.c
@@ -15,7 +15,8 @@
 
 #include	<stdio.h>
 #include	"parse.h"
-#include	"seq.h"
+#include <dbDefs.h>
+#include <seqU.h>
 
 int	num_channels = 0;	/* number of db channels */
 int	num_ss = 0;		/* number of state sets */