diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 4074b023d..36c471e57 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -3,6 +3,7 @@ D2X-Rebirth Changelog
 20100729
 --------
 main/automap.c, main/cntrlcen.c, main/game.c, main/gamecntl.c, main/gameseq.c, main/menu.c, main/movie.c, main/newmenu.c: Tidy up use of set_screen_mode
+arch/ogl/gr.c, arch/ogl/ogl.c: Using rather sane values for gluPerspective - fixing Z-Fighting bugs on Intel chips; in Fullscreen toggle, always apply new viewing values independent of Screen_mode
 
 20100728
 --------
diff --git a/arch/ogl/gr.c b/arch/ogl/gr.c
index f8eb2d704..ed8b67dcc 100644
--- a/arch/ogl/gr.c
+++ b/arch/ogl/gr.c
@@ -115,7 +115,7 @@ int gr_toggle_fullscreen(void)
 	gr_remap_color_fonts();
 	gr_remap_mono_fonts();
 
-	if (gl_initialized && Screen_mode != SCREEN_GAME) // update viewing values for menus
+	if (gl_initialized) // update viewing values for menus
 	{
 		glMatrixMode(GL_PROJECTION);
 		glLoadIdentity();
diff --git a/arch/ogl/ogl.c b/arch/ogl/ogl.c
index c99fdac5c..9c0941119 100644
--- a/arch/ogl/ogl.c
+++ b/arch/ogl/ogl.c
@@ -993,7 +993,7 @@ void ogl_start_frame(void){
 	glShadeModel(GL_SMOOTH);
 	glMatrixMode(GL_PROJECTION);
 	glLoadIdentity();//clear matrix
-	gluPerspective(90.0,1.0,0.01,1000000.0);
+	gluPerspective(90.0,1.0,1.0,1000.0);
 	glMatrixMode(GL_MODELVIEW);
 	glLoadIdentity();//clear matrix
 }