diff --git a/lib/entry/libimagentrylink/src/linkable.rs b/lib/entry/libimagentrylink/src/linkable.rs
index e571a20f..104e6421 100644
--- a/lib/entry/libimagentrylink/src/linkable.rs
+++ b/lib/entry/libimagentrylink/src/linkable.rs
@@ -98,9 +98,15 @@ impl Linkable for Entry {
             let mut left_internal = left.internal.unwrap_or_else(|| vec![]);
             left_internal.push(right_location);
 
+            left_internal.sort_unstable();
+            left_internal.dedup();
+
             let mut right_internal = right.internal.unwrap_or_else(|| vec![]);
             right_internal.push(left_location);
 
+            right_internal.sort_unstable();
+            right_internal.dedup();
+
             left.internal = Some(left_internal);
             right.internal = Some(right_internal);
 
@@ -117,9 +123,15 @@ impl Linkable for Entry {
             let mut left_internal = left.internal.unwrap_or_else(|| vec![]);
             left_internal.retain(|l| *l != right_location);
 
+            left_internal.sort_unstable();
+            left_internal.dedup();
+
             let mut right_internal = right.internal.unwrap_or_else(|| vec![]);
             right_internal.retain(|l| *l != left_location);
 
+            right_internal.sort_unstable();
+            right_internal.dedup();
+
             left.internal = Some(left_internal);
             right.internal = Some(right_internal);