diff --git a/clients/ccrtp/ZrtpQueue.h b/clients/ccrtp/ZrtpQueue.h
index 512d8c84..3e9eb277 100644
--- a/clients/ccrtp/ZrtpQueue.h
+++ b/clients/ccrtp/ZrtpQueue.h
@@ -22,7 +22,7 @@
 #include <ccrtp/rtppkt.h>
 #include <libzrtpcpp/ZrtpCallback.h>
 #include <libzrtpcpp/ZrtpConfigure.h>
-#include <CcrtpTimeoutProvider.h>
+#include "CcrtpTimeoutProvider.h"
 
 class __EXPORT ZrtpUserCallback;
 class __EXPORT ZRtp;
diff --git a/clients/ccrtp/zrtpccrtp.h b/clients/ccrtp/zrtpccrtp.h
index 3eae1832..d4303ee2 100644
--- a/clients/ccrtp/zrtpccrtp.h
+++ b/clients/ccrtp/zrtpccrtp.h
@@ -19,7 +19,7 @@
 #define _ZRTPCCRTP_H_
 
 #include <ccrtp/rtp.h>
-#include <ZrtpQueue.h>
+#include "ZrtpQueue.h"
 
 NAMESPACE_COMMONCPP
 
diff --git a/zrtp/libzrtpcpp/ZrtpCallback.h b/zrtp/libzrtpcpp/ZrtpCallback.h
index 7f5b9e4d..3612241f 100644
--- a/zrtp/libzrtpcpp/ZrtpCallback.h
+++ b/zrtp/libzrtpcpp/ZrtpCallback.h
@@ -28,7 +28,7 @@
 #include <string>
 #include <stdint.h>
 #include <libzrtpcpp/ZrtpCodes.h>
-#include <common/osSpecifics.h>
+#include "common/osSpecifics.h"
 
 /**
  * This enum defines which role a ZRTP peer has.