diff --git a/src/db/dbEvent.c b/src/db/dbEvent.c
index e236c773b..5b5650ee8 100644
--- a/src/db/dbEvent.c
+++ b/src/db/dbEvent.c
@@ -60,6 +60,7 @@
 #include	<wdLib.h>
 #include	<lstLib.h>
 #include	<semLib.h>
+#include	<string.h>
 
 #include 	<tsDefs.h>
 #include	<dbDefs.h>
diff --git a/src/db/dbScan.c b/src/db/dbScan.c
index 86bb27498..be4d5d730 100644
--- a/src/db/dbScan.c
+++ b/src/db/dbScan.c
@@ -40,6 +40,7 @@
 #include	<semLib.h>
 #include 	<rngLib.h>
 #include 	<lstLib.h>
+#include 	<string.h>
 
 #include	<dbDefs.h>
 #include	<dbAccess.h>
diff --git a/src/db/db_access.c b/src/db/db_access.c
index fbae30bb5..45f03db13 100644
--- a/src/db/db_access.c
+++ b/src/db/db_access.c
@@ -47,7 +47,7 @@
 
 #include        <stdarg.h>
 #include        <fioLib.h>
-#include        <strLib.h>
+#include        <string.h>
 #include        <dbDefs.h>
 #include        <dbAccess.h>
 #include        <dbCommon.h>
diff --git a/src/db/dbls.c b/src/db/dbls.c
index 1669d3125..3af017403 100644
--- a/src/db/dbls.c
+++ b/src/db/dbls.c
@@ -38,6 +38,7 @@
 #include <vxWorks.h>
 #include <stdioLib.h>
 #include <types.h>
+#include <string.h>
 #include <dbRecType.h>
 #include <choice.h>
 #include <cvtTable.h>