diff --git a/src/main/java/de/bixilon/minosoft/nbt/tag/ByteArrayTag.java b/src/main/java/de/bixilon/minosoft/nbt/tag/ByteArrayTag.java
index bef39d173..139cf492d 100644
--- a/src/main/java/de/bixilon/minosoft/nbt/tag/ByteArrayTag.java
+++ b/src/main/java/de/bixilon/minosoft/nbt/tag/ByteArrayTag.java
@@ -51,7 +51,7 @@ public class ByteArrayTag implements NBTTag {
             builder.append(b);
             builder.append("b, ");
         }
-        builder.delete(builder.length() - 1, builder.length()); // delete last comma
+        builder.delete(builder.length() - 2, builder.length()); // delete last comma
         builder.append("]");
 
         return builder.toString();
diff --git a/src/main/java/de/bixilon/minosoft/nbt/tag/CompoundTag.java b/src/main/java/de/bixilon/minosoft/nbt/tag/CompoundTag.java
index 16a5e8115..419b4e3c8 100644
--- a/src/main/java/de/bixilon/minosoft/nbt/tag/CompoundTag.java
+++ b/src/main/java/de/bixilon/minosoft/nbt/tag/CompoundTag.java
@@ -204,11 +204,11 @@ public class CompoundTag implements NBTTag {
 
         for (Map.Entry<String, NBTTag> set : data.entrySet()) {
             builder.append(set.getKey());
-            builder.append(":");
+            builder.append(": ");
             builder.append(set.getValue());
-            builder.append(",");
+            builder.append(", ");
         }
-        builder.delete(builder.length() - 1, builder.length()); // delete last comma
+        builder.delete(builder.length() - 2, builder.length()); // delete last comma
 
         builder.append("}");
         return builder.toString();
diff --git a/src/main/java/de/bixilon/minosoft/nbt/tag/LongArrayTag.java b/src/main/java/de/bixilon/minosoft/nbt/tag/LongArrayTag.java
index 2fecf6157..3308fec64 100644
--- a/src/main/java/de/bixilon/minosoft/nbt/tag/LongArrayTag.java
+++ b/src/main/java/de/bixilon/minosoft/nbt/tag/LongArrayTag.java
@@ -51,7 +51,7 @@ public class LongArrayTag implements NBTTag {
             builder.append(l);
             builder.append("L, ");
         }
-        builder.delete(builder.length() - 1, builder.length()); // delete last comma
+        builder.delete(builder.length() - 2, builder.length()); // delete last comma
         builder.append("]");
 
         return builder.toString();