diff --git a/java/kotlin-extractor/src/main/java/com/semmle/util/process/Env.java b/java/kotlin-extractor/src/main/java/com/semmle/util/process/Env.java
index 564887f5fda1..4b0456e170cc 100644
--- a/java/kotlin-extractor/src/main/java/com/semmle/util/process/Env.java
+++ b/java/kotlin-extractor/src/main/java/com/semmle/util/process/Env.java
@@ -115,6 +115,7 @@ public enum Var {
 		 */
 		SEMMLE_TRAP_IMPORTER,
 		SEMMLE_PRESERVE_SYMLINKS,
+		CODEQL_PATH_TRANSFORMER,
 		SEMMLE_PATH_TRANSFORMER,
 
 		/*
diff --git a/java/kotlin-extractor/src/main/java/com/semmle/util/trap/pathtransformers/PathTransformer.java b/java/kotlin-extractor/src/main/java/com/semmle/util/trap/pathtransformers/PathTransformer.java
index 434f882fae8d..9f6a420786d2 100644
--- a/java/kotlin-extractor/src/main/java/com/semmle/util/trap/pathtransformers/PathTransformer.java
+++ b/java/kotlin-extractor/src/main/java/com/semmle/util/trap/pathtransformers/PathTransformer.java
@@ -41,7 +41,10 @@ public File canonicalFile(String path) {
 
 	private static final PathTransformer DEFAULT_TRANSFORMER;
 	static {
-		String layout = Env.systemEnv().get(Var.SEMMLE_PATH_TRANSFORMER);
+		String layout = Env.systemEnv().get(Var.CODEQL_PATH_TRANSFORMER);
+		if (layout == null) {
+			layout = Env.systemEnv().get(Var.SEMMLE_PATH_TRANSFORMER);
+		}
 		if (layout == null)
 			DEFAULT_TRANSFORMER = new NoopTransformer();
 		else
diff --git a/java/ql/lib/change-notes/2025-01-03-path-transformer.md b/java/ql/lib/change-notes/2025-01-03-path-transformer.md
new file mode 100644
index 000000000000..919383bfb610
--- /dev/null
+++ b/java/ql/lib/change-notes/2025-01-03-path-transformer.md
@@ -0,0 +1,5 @@
+---
+category: feature
+---
+* The Java and Kotlin extractors now support `CODEQL_PATH_TRANSFORMER`. `SEMMLE_PATH_TRANSFORMER` is still supported, but deprecated.
+