diff --git a/visualc/fltk.lib.dsp b/visualc/fltk.lib.dsp
index fe27f45de..e7b56d74f 100644
--- a/visualc/fltk.lib.dsp
+++ b/visualc/fltk.lib.dsp
@@ -307,6 +307,10 @@ SOURCE=..\src\Fl_Group.cxx
 # End Source File
 # Begin Source File
 
+SOURCE=..\src\fl_gtk.cxx
+# End Source File
+# Begin Source File
+
 SOURCE=..\src\Fl_Help_View.cxx
 # End Source File
 # Begin Source File
@@ -595,11 +599,11 @@ SOURCE=..\src\scandir.c
 # End Source File
 # Begin Source File
 
-SOURCE=..\src\vsnprintf.c
+SOURCE=..\src\screen_xywh.cxx
 # End Source File
 # Begin Source File
 
-SOURCE=..\src\screen_xywh.cxx
+SOURCE=..\src\vsnprintf.c
 # End Source File
 # End Target
 # End Project
diff --git a/visualc/fltkdll.dsp b/visualc/fltkdll.dsp
index 6e80ffbee..ecd7973d4 100644
--- a/visualc/fltkdll.dsp
+++ b/visualc/fltkdll.dsp
@@ -1165,6 +1165,10 @@ DEP_CPP_FL_GRO=\
 # End Source File
 # Begin Source File
 
+SOURCE=..\src\fl_gtk.cxx
+# End Source File
+# Begin Source File
+
 SOURCE=..\src\Fl_Help_Dialog.cxx
 DEP_CPP_FL_HE=\
 	"..\fl\enumerations.h"\