X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FCore.java;h=8c2dabb7106772afa12d8fa13bd72b1a132595f4;hb=2b5d2439bd2c609fa8d7cd743e6724a49980cbde;hp=b612c740a5a07588546436bf42009e5eba79b980;hpb=c21a3eda7b784f1c5b39ed12a5ce983d2bf62166;p=Sone.git

diff --git a/src/main/java/net/pterodactylus/sone/core/Core.java b/src/main/java/net/pterodactylus/sone/core/Core.java
index b612c74..8c2dabb 100644
--- a/src/main/java/net/pterodactylus/sone/core/Core.java
+++ b/src/main/java/net/pterodactylus/sone/core/Core.java
@@ -1061,6 +1061,11 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
 	 */
 	public void followSone(Sone sone, String soneId) {
 		Validation.begin().isNotNull("Sone", sone).isNotNull("Sone ID", soneId).check();
+		Sone followedSone = getSone(soneId, true);
+		if (followedSone == null) {
+			logger.log(Level.INFO, String.format("Ignored Sone with invalid ID: %s", soneId));
+			return;
+		}
 		followSone(sone, getSone(soneId));
 	}