diff --git a/azure/linux_build.sh b/azure/linux_build.sh
index 6ab9ee8e..30720204 100755
--- a/azure/linux_build.sh
+++ b/azure/linux_build.sh
@@ -9,13 +9,19 @@ python2 --version
 python3 --version
 
 sudo apt-get install lua5.1-dev
+pkg-config --cflags --libs  lua5.1
 sudo apt-get install libsdl1.2-dev
+sdl-config --cflags --libs
 sudo apt-get install libsdl2-dev
+sdl2-config --cflags --libs
 sudo apt-get install libminizip-dev
+pkg-config --cflags --libs  minizip
 #sudo apt-get install libxml2-dev
 #sudo apt-get install libgtk2.0-dev
 sudo apt-get install libgtk-3-dev
+pkg-config --cflags --libs  gtk+-3.0
 sudo apt-get install libgtksourceview-3.0-dev
+pkg-config --cflags --libs  gtksourceview-3.0
 sudo apt-get install scons
 
 scons   --clean
diff --git a/src/drivers/sdl/gui.cpp b/src/drivers/sdl/gui.cpp
index 43a88ec5..4a3e4676 100644
--- a/src/drivers/sdl/gui.cpp
+++ b/src/drivers/sdl/gui.cpp
@@ -3025,6 +3025,9 @@ gboolean handle_resize (GtkWindow * win, GdkEvent * event, gpointer data)
 	gtk_draw_area_width = gtk_widget_get_allocated_width (evbox);
 	gtk_draw_area_height = gtk_widget_get_allocated_height (evbox);
 
+	if ( gtk_draw_area_width  < NES_WIDTH  ) gtk_draw_area_width  = NES_WIDTH;
+	if ( gtk_draw_area_height < NES_HEIGHT ) gtk_draw_area_height = NES_HEIGHT;
+
 	// TODO check KeepRatio (where is this)
 	// do this to keep aspect ratio
 	if (xscale > yscale)
@@ -3062,6 +3065,9 @@ static gboolean draw_cb (GtkWidget * widget, cairo_t * cr, gpointer data)
 	gtk_draw_area_width = gtk_widget_get_allocated_width (widget);
 	gtk_draw_area_height = gtk_widget_get_allocated_height (widget);
 
+	if ( gtk_draw_area_width  < NES_WIDTH  ) gtk_draw_area_width  = NES_WIDTH;
+	if ( gtk_draw_area_height < NES_HEIGHT ) gtk_draw_area_height = NES_HEIGHT;
+
 	// Clear the screen on a window redraw
 	//if (GameInfo == 0)
 	//{