X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FImageImpl.java;h=447bb82654867510d5c480f6e0270009ac913157;hb=fdffe49b10613e1d9caacdf62ab99bca06edf3e1;hp=1309a801e8544ce5a4e792006e4ca3ae2f0326b1;hpb=53c73fe2e6e02d9895d4c0ad60091a28514abe22;p=Sone.git

diff --git a/src/main/java/net/pterodactylus/sone/data/ImageImpl.java b/src/main/java/net/pterodactylus/sone/data/ImageImpl.java
index 1309a80..447bb82 100644
--- a/src/main/java/net/pterodactylus/sone/data/ImageImpl.java
+++ b/src/main/java/net/pterodactylus/sone/data/ImageImpl.java
@@ -202,7 +202,7 @@ public class ImageImpl implements Image {
 			@Override
 			public Image update() throws IllegalStateException {
 				checkState(!sone.isPresent() || (ImageImpl.this.sone == null) || sone.get().equals(ImageImpl.this.sone), "can not change Sone once set");
-				checkState(!creationTime.isPresent() || (ImageImpl.this.creationTime == 0), "can not change creation time once set");
+				checkState(!creationTime.isPresent() || ((ImageImpl.this.creationTime == 0) || (ImageImpl.this.creationTime == creationTime.get())), "can not change creation time once set");
 				checkState(!key.isPresent() || (ImageImpl.this.key == null) || key.get().equals(ImageImpl.this.key), "can not change key once set");
 				checkState(!width.isPresent() || (ImageImpl.this.width == 0) || width.get().equals(ImageImpl.this.width), "can not change width once set");
 				checkState(!height.isPresent() || (ImageImpl.this.height == 0) || height.get().equals(ImageImpl.this.height), "can not change height once set");