diff --git a/libs/video/renderer/sw/d_sky.c b/libs/video/renderer/sw/d_sky.c
index 853a3e0e0..c6cd5832d 100644
--- a/libs/video/renderer/sw/d_sky.c
+++ b/libs/video/renderer/sw/d_sky.c
@@ -42,14 +42,16 @@ D_Sky_uv_To_st (int u, int v, fixed16_t *s, fixed16_t *t)
 {
 	float       wu, wv, temp;
 	vec3_t      end;
+	int         half_width = vid.width >> 1;
+	int         half_height = vid.height >> 1;
 
 	if (r_refdef.vrect.width >= r_refdef.vrect.height)
 		temp = (float) r_refdef.vrect.width;
 	else
 		temp = (float) r_refdef.vrect.height;
 
-	wu = 8192.0 * (float) (u - (vid.width >> 1)) / temp;
-	wv = 8192.0 * (float) ((vid.height >> 1) - v) / temp;
+	wu = 8192.0 * (float) (u - half_width) / temp;
+	wv = 8192.0 * (float) (half_height - v) / temp;
 
 	end[0] = 4096 * vpn[0] + wu * vright[0] + wv * vup[0];
 	end[1] = 4096 * vpn[1] + wu * vright[1] + wv * vup[1];
diff --git a/libs/video/renderer/sw32/d_sky.c b/libs/video/renderer/sw32/d_sky.c
index 989fd4369..b9c03b5a0 100644
--- a/libs/video/renderer/sw32/d_sky.c
+++ b/libs/video/renderer/sw32/d_sky.c
@@ -47,14 +47,16 @@ D_Sky_uv_To_st (int u, int v, fixed16_t *s, fixed16_t *t)
 {
 	float       wu, wv, temp;
 	vec3_t      end;
+	int         half_width = vid.width >> 1;
+	int         half_height = vid.height >> 1;
 
 	if (r_refdef.vrect.width >= r_refdef.vrect.height)
 		temp = (float) r_refdef.vrect.width;
 	else
 		temp = (float) r_refdef.vrect.height;
 
-	wu = 8192.0 * (float) (u - (vid.width >> 1)) / temp;
-	wv = 8192.0 * (float) ((vid.height >> 1) - v) / temp;
+	wu = 8192.0 * (float) (u - half_width) / temp;
+	wv = 8192.0 * (float) (half_height - v) / temp;
 
 	end[0] = 4096 * vpn[0] + wu * vright[0] + wv * vup[0];
 	end[1] = 4096 * vpn[1] + wu * vright[1] + wv * vup[1];