diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6060ff558b8..2aeb53cd903 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 - We moved the location of the 'Open only one instance of JabRef' preference option from "Network" to "General". [#9306](https://github.com/JabRef/jabref/issues/9306)
 - The two previews in the change resolver dialog now have their scrollbars synchronized. [#9576](https://github.com/JabRef/jabref/issues/9576).
 - We changed the setting of the keyword separator to accept a single character only. [#177](https://github.com/koppor/jabref/issues/177)
+- Short DOI formatter now checks, if the value is already formatted. If so, it returns the value instead of calling the ShortDOIService again. [#10589](https://github.com/JabRef/jabref/issues/10589)
 
 ### Fixed
 
diff --git a/src/main/java/org/jabref/logic/formatter/bibtexfields/ShortenDOIFormatter.java b/src/main/java/org/jabref/logic/formatter/bibtexfields/ShortenDOIFormatter.java
index 0ca6f79bcf8..56ee1af1c0f 100644
--- a/src/main/java/org/jabref/logic/formatter/bibtexfields/ShortenDOIFormatter.java
+++ b/src/main/java/org/jabref/logic/formatter/bibtexfields/ShortenDOIFormatter.java
@@ -16,7 +16,7 @@
 public class ShortenDOIFormatter extends Formatter {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ShortenDOIFormatter.class);
-    private static final Predicate<String> SHORT_DOI_FORMAT = Pattern.compile("10/[a-zA-Z0-9]+").asPredicate();
+    private static final Predicate<String> SHORT_DOI_FORMAT = Pattern.compile("^10/[a-zA-Z0-9]+$").asPredicate();
 
     @Override
     public String getName() {