diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2de647fb4..a7be7a475 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -80,6 +80,7 @@ https://thebusybiscuit.github.io/builds/TheBusyBiscuit/Slimefun4/stable/#4
 * Fixed #1325
 * Fixed #1295
 * Fixed MultiBlocks not accepting different fence types
+* Fixed #1337
 
 ## Release Candidate 3 (21 Nov 2019)
 https://thebusybiscuit.github.io/builds/TheBusyBiscuit/Slimefun4/stable/#3
diff --git a/src/main/java/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/abstractItems/AReactor.java b/src/main/java/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/abstractItems/AReactor.java
index d2fb52519..37d89b07d 100644
--- a/src/main/java/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/abstractItems/AReactor.java
+++ b/src/main/java/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/abstractItems/AReactor.java
@@ -353,9 +353,10 @@ public abstract class AReactor extends SlimefunItem implements RecipeDisplayItem
 				boolean explosion = explode.contains(l);
 				
 				if (explosion) {
-					BlockStorage.getInventory(l).close();
-
-					Slimefun.runSync(() -> SimpleHologram.remove(l.getBlock()));
+					Slimefun.runSync(() -> {
+						BlockStorage.getInventory(l).close();
+						SimpleHologram.remove(l.getBlock());
+					});
 
 					explode.remove(l);
 					processing.remove(l);