diff --git a/include/canvas/canvastoolsdllapi.h b/include/canvas/canvastoolsdllapi.h
index f8a6ad6598a7..1f24c1e897ed 100644
--- a/include/canvas/canvastoolsdllapi.h
+++ b/include/canvas/canvastoolsdllapi.h
@@ -20,8 +20,8 @@
 #ifndef INCLUDED_CANVAS_CANVASTOOLSDLLAPI_H
 #define INCLUDED_CANVAS_CANVASTOOLSDLLAPI_H
 
-#include "sal/config.h"
-#include "sal/types.h"
+#include <sal/config.h>
+#include <sal/types.h>
 
 #if defined(CANVASTOOLS_DLLIMPLEMENTATION)
 #define CANVASTOOLS_DLLPUBLIC  SAL_DLLPUBLIC_EXPORT
diff --git a/include/canvas/elapsedtime.hxx b/include/canvas/elapsedtime.hxx
index 8248e3408785..f942749c8a6a 100644
--- a/include/canvas/elapsedtime.hxx
+++ b/include/canvas/elapsedtime.hxx
@@ -22,7 +22,7 @@
 
 #include <sal/types.h>
 
-#include "boost/shared_ptr.hpp"
+#include <boost/shared_ptr.hpp>
 #include <canvas/canvastoolsdllapi.h>
 
 namespace canvas
diff --git a/include/canvas/verbosetrace.hxx b/include/canvas/verbosetrace.hxx
index d3810c4deaad..a5bc61ba7fe8 100644
--- a/include/canvas/verbosetrace.hxx
+++ b/include/canvas/verbosetrace.hxx
@@ -20,9 +20,9 @@
 #ifndef INCLUDED_CANVAS_VERBOSETRACE_HXX
 #define INCLUDED_CANVAS_VERBOSETRACE_HXX
 
-#include "sal/config.h"
+#include <sal/config.h>
 
-#include "sal/detail/log.h"
+#include <sal/detail/log.h>
 
 #define VERBOSE_TRACE(...) \
     SAL_DETAIL_INFO_IF_FORMAT(true, "canvas.level2", __VA_ARGS__)