5 files changed, 13 insertions, 7 deletions
diff --git a/src/display/canvas-grid.h b/src/display/canvas-grid.h
index c201fa7df..8ae26d4c4 100644
--- a/src/display/canvas-grid.h
+++ b/src/display/canvas-grid.h
@@ -11,21 +11,20 @@
  *
  */
 
-#include <display/sp-canvas.h>
-#include "xml/repr.h"
-#include <gtkmm/box.h>
-
+#include <cstring>
+#include <string>
 
+#include <gtkmm/box.h>
 #include <gtkmm.h>
+
+#include "display/sp-canvas.h"
+#include "xml/repr.h"
 #include "ui/widget/color-picker.h"
 #include "ui/widget/scalar-unit.h"
-
 #include "ui/widget/registered-widget.h"
 #include "ui/widget/registry.h"
 #include "ui/widget/tolerance-slider.h"
-
 #include "xml/node-event-vector.h"
-
 #include "snapper.h"
 #include "line-snapper.h"
 
diff --git a/src/display/curve.cpp b/src/display/curve.cpp
index 01148c44c..9b59a3c45 100644
--- a/src/display/curve.cpp
+++ b/src/display/curve.cpp
@@ -21,6 +21,8 @@
 #include <libnr/n-art-bpath.h>
 #include <libnr/nr-point-matrix-ops.h>
 #include <libnr/nr-translate-ops.h>
+#include <cstring>
+#include <string>
 
 #define SP_CURVE_LENSTEP 32
 
diff --git a/src/display/nr-arena-item.cpp b/src/display/nr-arena-item.cpp
index c78a0eca5..95b0c0eae 100644
--- a/src/display/nr-arena-item.cpp
+++ b/src/display/nr-arena-item.cpp
@@ -15,6 +15,8 @@
 #define noNR_ARENA_ITEM_VERBOSE
 #define noNR_ARENA_ITEM_DEBUG_CASCADE
 
+#include <cstring>
+#include <string>
 
 #include <libnr/nr-blit.h>
 #include <libnr/nr-pixops.h>
diff --git a/src/display/nr-filter-gaussian.cpp b/src/display/nr-filter-gaussian.cpp
index a3fa37bd7..b4d1fb00d 100644
--- a/src/display/nr-filter-gaussian.cpp
+++ b/src/display/nr-filter-gaussian.cpp
@@ -17,6 +17,7 @@
 #include <cmath>
 #include <complex>
 #include <glib.h>
+#include <cstdlib>
 #include <limits>
 
 #include "isnan.h"
diff --git a/src/display/nr-filter.cpp b/src/display/nr-filter.cpp
index 84e8180bc..6027b5f27 100644
--- a/src/display/nr-filter.cpp
+++ b/src/display/nr-filter.cpp
@@ -13,6 +13,8 @@
 
 #include <glib.h>
 #include <cmath>
+#include <cstring>
+#include <string>
 
 #include "display/nr-filter.h"
 #include "display/nr-filter-primitive.h"