diff --git a/vcl/inc/unx/saldata.hxx b/vcl/inc/unx/saldata.hxx
index 591f4f6cc2bd..121bdd0f665a 100644
--- a/vcl/inc/unx/saldata.hxx
+++ b/vcl/inc/unx/saldata.hxx
@@ -30,7 +30,6 @@
 #define _SV_SALDATA_HXX
 
 // -=-= includes -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
-#include <signal.h>
 #include <unx/salunx.h>
 #include <vcl/salgtype.hxx>
 #include <unx/salstd.hxx>
diff --git a/vcl/unx/generic/window/salframe.cxx b/vcl/unx/generic/window/salframe.cxx
index 0cebdbc2efc7..43f6acd3b2d0 100644
--- a/vcl/unx/generic/window/salframe.cxx
+++ b/vcl/unx/generic/window/salframe.cxx
@@ -27,6 +27,7 @@
  ************************************************************************/
 
 
+#include <signal.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>