diff --git a/gst/law/alaw-decode.c b/gst/law/alaw-decode.c
index 6295476364..c0eb3c144b 100644
--- a/gst/law/alaw-decode.c
+++ b/gst/law/alaw-decode.c
@@ -19,6 +19,9 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 #include <gst/gst.h>
 #include "alaw-decode.h"
 
diff --git a/gst/law/alaw-encode.c b/gst/law/alaw-encode.c
index cc86537f82..be3ec77a57 100644
--- a/gst/law/alaw-encode.c
+++ b/gst/law/alaw-encode.c
@@ -19,6 +19,9 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 #include <gst/gst.h>
 #include "alaw-encode.h"
 
diff --git a/gst/law/mulaw-decode.c b/gst/law/mulaw-decode.c
index ce1fd947d6..5986400ed0 100644
--- a/gst/law/mulaw-decode.c
+++ b/gst/law/mulaw-decode.c
@@ -17,6 +17,9 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 #include <gst/gst.h>
 #include "mulaw-decode.h"
 #include "mulaw-conversion.h"
diff --git a/gst/law/mulaw-encode.c b/gst/law/mulaw-encode.c
index 9dd2e4700c..414ac7fce0 100644
--- a/gst/law/mulaw-encode.c
+++ b/gst/law/mulaw-encode.c
@@ -17,6 +17,9 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 #include <gst/gst.h>
 #include "mulaw-encode.h"
 #include "mulaw-conversion.h"
diff --git a/gst/level/gstlevel.c b/gst/level/gstlevel.c
index c19ce33ca1..6f89a38d9b 100644
--- a/gst/level/gstlevel.c
+++ b/gst/level/gstlevel.c
@@ -21,6 +21,9 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 #include <gst/gst.h>
 #include "gstlevel.h"
 #include "math.h"