diff --git a/build.gradle b/build.gradle
index d5a8c0af..23dcc271 100644
--- a/build.gradle
+++ b/build.gradle
@@ -127,7 +127,7 @@ dependencies {
     modCompileOnly("maven.modrinth:chunky:1.4.40-fabric")
     //modRuntimeOnlyMsk("maven.modrinth:chunky:1.4.40-fabric")
 
-    modRuntimeOnlyMsk("maven.modrinth:spark:1.10.139-fabric")
+    modRuntimeOnlyMsk("maven.modrinth:spark:1.10.152-fabric")
     modRuntimeOnlyMsk("maven.modrinth:fabric-permissions-api:0.3.3")
     //modRuntimeOnly("maven.modrinth:nsight-loader:1.2.0")
 
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 c9a3efe1..48436820 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
@@ -257,14 +257,14 @@ public class RenderDataFactory {
 
                 int neighborMsk = 0;
                 //-+x
-                neighborMsk |= packedEmpty&1;//-x
-                neighborMsk |= (packedEmpty>>>30)&0b10;//+x
+                neighborMsk += packedEmpty&1;//-x
+                neighborMsk += (packedEmpty>>>30)&0b10;//+x
 
                 //notEmpty = (notEmpty != 0)?1:0;
-                neighborMsk |= ((((i - 1) >> 10) == 0) ? 0b100 : 0)*(packedEmpty!=0?1:0);//-y
-                neighborMsk |= ((((i - 1) >> 10) == 31) ? 0b1000 : 0)*(packedEmpty!=0?1:0);//+y
-                neighborMsk |= (((((i - 33) >> 5) & 0x1F) == 0) ? 0b10000 : 0)*(((int)notEmpty)!=0?1:0);//-z
-                neighborMsk |= (((((i - 1) >> 5) & 0x1F) == 31) ? 0b100000 : 0)*((notEmpty>>>32)!=0?1:0);//+z
+                neighborMsk += ((((i - 1) >> 10) == 0) ? 0b100 : 0)*(packedEmpty!=0?1:0);//-y
+                neighborMsk += ((((i - 1) >> 10) == 31) ? 0b1000 : 0)*(packedEmpty!=0?1:0);//+y
+                neighborMsk += (((((i - 33) >> 5) & 0x1F) == 0) ? 0b10000 : 0)*(((int)notEmpty)!=0?1:0);//-z
+                neighborMsk += (((((i - 1) >> 5) & 0x1F) == 31) ? 0b100000 : 0)*((notEmpty>>>32)!=0?1:0);//+z
 
                 neighborAcquireMsk |= neighborMsk;