diff --git a/source/blender/draw/engines/overlay/shaders/overlay_wireframe_frag.glsl b/source/blender/draw/engines/overlay/shaders/overlay_wireframe_frag.glsl
index c15bb42abcf..4cce90405b1 100644
--- a/source/blender/draw/engines/overlay/shaders/overlay_wireframe_frag.glsl
+++ b/source/blender/draw/engines/overlay/shaders/overlay_wireframe_frag.glsl
@@ -53,17 +53,17 @@ void main()
     vec2 uv = gl_FragCoord.xy * sizeViewportInv;
     float depth_occluder = texture(depthTex, uv).r;
     float depth_min = depth_occluder;
-    vec2 texel_uv_size = sizeViewportInv;
-
+    vec2 uv_offset = sizeViewportInv;
     if (dir_horiz) {
-      depth_min = min(depth_min, texture(depthTex, uv + vec2(-texel_uv_size.x, 0.0)).r);
-      depth_min = min(depth_min, texture(depthTex, uv + vec2(texel_uv_size.x, 0.0)).r);
+      uv_offset.y = 0.0;
     }
     else {
-      depth_min = min(depth_min, texture(depthTex, uv + vec2(0, -texel_uv_size.y)).r);
-      depth_min = min(depth_min, texture(depthTex, uv + vec2(0, texel_uv_size.y)).r);
+      uv_offset.x = 0.0;
     }
 
+    depth_min = min(depth_min, texture(depthTex, uv - texel_uv_size).r);
+    depth_min = min(depth_min, texture(depthTex, uv + texel_uv_size).r);
+
     float delta = abs(depth_occluder - depth_min);
 
 #    ifndef SELECT_ENABLE