diff --git a/briar-core/src/main/java/org/briarproject/briar/blog/BlogManagerImpl.java b/briar-core/src/main/java/org/briarproject/briar/blog/BlogManagerImpl.java
index cad04aa7ea64eb23156db131649029475e9e12a5..845e69c69443a06216ce90515bb66af1cba47c22 100644
--- a/briar-core/src/main/java/org/briarproject/briar/blog/BlogManagerImpl.java
+++ b/briar-core/src/main/java/org/briarproject/briar/blog/BlogManagerImpl.java
@@ -116,7 +116,7 @@ class BlogManagerImpl extends BdfIncomingMessageHook implements BlogManager,
 	@Override
 	public void removingContact(Transaction txn, Contact c) throws DbException {
 		Blog b = blogFactory.createBlog(c.getAuthor());
-		removeBlog(txn, b);
+		if (db.containsGroup(txn, b.getId())) removeBlog(txn, b);
 	}
 
 	@Override
diff --git a/briar-core/src/test/java/org/briarproject/briar/blog/BlogManagerImplTest.java b/briar-core/src/test/java/org/briarproject/briar/blog/BlogManagerImplTest.java
index 3678f1aba2bfa5e2a794935ceee7843f6a19a0da..b3c8c7586282d96f934b32505a9c6d7fc7c6a36f 100644
--- a/briar-core/src/test/java/org/briarproject/briar/blog/BlogManagerImplTest.java
+++ b/briar-core/src/test/java/org/briarproject/briar/blog/BlogManagerImplTest.java
@@ -157,6 +157,8 @@ public class BlogManagerImplTest extends BriarTestCase {
 		context.checking(new Expectations() {{
 			oneOf(blogFactory).createBlog(blog2.getAuthor());
 			will(returnValue(blog2));
+			oneOf(db).containsGroup(txn, blog2.getId());
+			will(returnValue(true));
 			oneOf(identityManager).getLocalAuthor(txn);
 			will(returnValue(blog1.getAuthor()));
 			oneOf(db).removeGroup(txn, blog2.getGroup());
@@ -166,6 +168,25 @@ public class BlogManagerImplTest extends BriarTestCase {
 		context.assertIsSatisfied();
 	}
 
+	@Test
+	public void testRemovingContactAfterRemovingBlog() throws DbException {
+		final Transaction txn = new Transaction(null, false);
+
+		final ContactId contactId = new ContactId(0);
+		Contact contact = new Contact(contactId, blog2.getAuthor(),
+				blog1.getAuthor().getId(), true, true);
+
+		context.checking(new Expectations() {{
+			oneOf(blogFactory).createBlog(blog2.getAuthor());
+			will(returnValue(blog2));
+			oneOf(db).containsGroup(txn, blog2.getId());
+			will(returnValue(false));
+		}});
+
+		blogManager.removingContact(txn, contact);
+		context.assertIsSatisfied();
+	}
+
 	@Test
 	public void testIncomingMessage() throws DbException, FormatException {
 		final Transaction txn = new Transaction(null, false);