diff --git a/src/devaaiStream.c b/src/devaaiStream.c
index f4ed9c0..49d09ff 100644
--- a/src/devaaiStream.c
+++ b/src/devaaiStream.c
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include "devStream.h"
 #include <aaiRecord.h>
+#include <errlog.h>
 #include <epicsExport.h>
 
 static long readData (dbCommon *record, format_t *format)
diff --git a/src/devaaoStream.c b/src/devaaoStream.c
index 25e59b5..af7e220 100644
--- a/src/devaaoStream.c
+++ b/src/devaaoStream.c
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include "devStream.h"
 #include <aaoRecord.h>
+#include <errlog.h>
 #include <epicsExport.h>
 
 static long readData (dbCommon *record, format_t *format)
diff --git a/src/devwaveformStream.c b/src/devwaveformStream.c
index 0f16476..9b63d58 100644
--- a/src/devwaveformStream.c
+++ b/src/devwaveformStream.c
@@ -21,6 +21,7 @@
 #include "devStream.h"
 #include <waveformRecord.h>
 #include <string.h>
+#include <errlog.h>
 #include <epicsExport.h>
 
 static long readData (dbCommon *record, format_t *format)