1 files changed, 2 insertions, 2 deletions
diff --git a/source/blender/blenlib/intern/math_geom.c b/source/blender/blenlib/intern/math_geom.c
index b7e94e6c512..01cda6c9e4a 100644
--- a/source/blender/blenlib/intern/math_geom.c
+++ b/source/blender/blenlib/intern/math_geom.c
@@ -4886,8 +4886,8 @@ void window_translate_m4(float winmat[4][4], float perspmat[4][4], const float x
     len1 = (1.0f / len_v3(v1));
     len2 = (1.0f / len_v3(v2));
 
-    winmat[2][0] += len1 * winmat[0][0] * x;
-    winmat[2][1] += len2 * winmat[1][1] * y;
+    winmat[2][0] -= len1 * winmat[0][0] * x;
+    winmat[2][1] -= len2 * winmat[1][1] * y;
   }
   else {
     winmat[3][0] += x;