diff --git a/src/main/java/me/cortex/voxy/client/core/rendering/building/RenderDataFactory.java b/src/main/java/me/cortex/voxy/client/core/rendering/building/RenderDataFactory.java
index d1d33aa60..a541c4402 100644
--- a/src/main/java/me/cortex/voxy/client/core/rendering/building/RenderDataFactory.java
+++ b/src/main/java/me/cortex/voxy/client/core/rendering/building/RenderDataFactory.java
@@ -1057,7 +1057,7 @@ private void generateXOuterOpaqueGeometry() {
                         long meta = this.modelMan.getModelMetadataFromClientId(this.modelMan.getModelId(Mapper.getBlockId(neighborId)));
                         if (ModelQueries.isFullyOpaque(meta)) {
                             oki = false;
-                        } else if (CHECK_NEIGHBOR_FACE_OCCLUSION && ModelQueries.faceOccludes(meta, (2 << 1) | (1 - 1))) {
+                        } else if (CHECK_NEIGHBOR_FACE_OCCLUSION && ModelQueries.faceOccludes(meta, (2 << 1) | (1 - 0))) {
                             //TODO check self occlsion
                             oki = false;
                         }
@@ -1083,7 +1083,7 @@ private void generateXOuterOpaqueGeometry() {
                         long meta = this.modelMan.getModelMetadataFromClientId(this.modelMan.getModelId(Mapper.getBlockId(neighborId)));
                         if (ModelQueries.isFullyOpaque(meta)) {
                             oki = false;
-                        } else if (CHECK_NEIGHBOR_FACE_OCCLUSION && ModelQueries.faceOccludes(meta, (2 << 1) | (1 - 0))) {
+                        } else if (CHECK_NEIGHBOR_FACE_OCCLUSION && ModelQueries.faceOccludes(meta, (2 << 1) | (1 - 1))) {
                             //TODO check self occlsion
                             oki = false;
                         }