diff --git a/c/misra/src/rules/RULE-5-8/IdentifiersWithExternalLinkageNotUnique.ql b/c/misra/src/rules/RULE-5-8/IdentifiersWithExternalLinkageNotUnique.ql
index 7406f05f14..1b21dd273e 100644
--- a/c/misra/src/rules/RULE-5-8/IdentifiersWithExternalLinkageNotUnique.ql
+++ b/c/misra/src/rules/RULE-5-8/IdentifiersWithExternalLinkageNotUnique.ql
@@ -41,7 +41,25 @@ class NotUniqueExternalIdentifier extends ExternalIdentifiers {
 
   Declaration getAConflictingDeclaration() {
     not result = this and
-    isConflictingDeclaration(result, getName())
+    isConflictingDeclaration(result, getName()) and
+    // We only consider a declaration to be conflicting if it shares a link target with the external
+    // identifier. This avoids reporting false positives where multiple binaries or libraries are
+    // built in the same CodeQL database, but are not intended to be linked together.
+    exists(LinkTarget lt |
+      // External declaration can only be a function or global variable
+      lt = this.(Function).getALinkTarget() or
+      lt = this.(GlobalVariable).getALinkTarget()
+    |
+      lt = result.(Function).getALinkTarget()
+      or
+      lt = result.(GlobalVariable).getALinkTarget()
+      or
+      exists(Class c | c.getAMember() = result and c.getALinkTarget() = lt)
+      or
+      result.(LocalVariable).getFunction().getALinkTarget() = lt
+      or
+      result.(Class).getALinkTarget() = lt
+    )
   }
 }
 
diff --git a/change_notes/2024-09-16-rule-5-8-consider-linkage.md b/change_notes/2024-09-16-rule-5-8-consider-linkage.md
new file mode 100644
index 0000000000..2877d53f50
--- /dev/null
+++ b/change_notes/2024-09-16-rule-5-8-consider-linkage.md
@@ -0,0 +1,2 @@
+ - `RULE-5-8` - `IdentifiersWithExternalLinkageNotUnique.ql`
+   - Remove false positives where conflicting declarations do not appear in the same link target.
\ No newline at end of file