diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index 3516ffd84..d7f198a1e 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -1191,19 +1191,19 @@ transform_from_wl_output_transform (int32_t transform_value)
     case WL_OUTPUT_TRANSFORM_NORMAL:
       return META_MONITOR_TRANSFORM_NORMAL;
     case WL_OUTPUT_TRANSFORM_90:
-      return META_MONITOR_TRANSFORM_90;
+      return META_MONITOR_TRANSFORM_270;
     case WL_OUTPUT_TRANSFORM_180:
       return META_MONITOR_TRANSFORM_180;
     case WL_OUTPUT_TRANSFORM_270:
-      return META_MONITOR_TRANSFORM_270;
+      return META_MONITOR_TRANSFORM_90;
     case WL_OUTPUT_TRANSFORM_FLIPPED:
       return META_MONITOR_TRANSFORM_FLIPPED;
     case WL_OUTPUT_TRANSFORM_FLIPPED_90:
-      return META_MONITOR_TRANSFORM_FLIPPED_90;
+      return META_MONITOR_TRANSFORM_FLIPPED_270;
     case WL_OUTPUT_TRANSFORM_FLIPPED_180:
       return META_MONITOR_TRANSFORM_FLIPPED_180;
     case WL_OUTPUT_TRANSFORM_FLIPPED_270:
-      return META_MONITOR_TRANSFORM_FLIPPED_270;
+      return META_MONITOR_TRANSFORM_FLIPPED_90;
     default:
       return -1;
     }