diff --git a/UUID.patch b/UUID.patch
index 2e8008f..f51fd3d 100644
--- a/UUID.patch
+++ b/UUID.patch
@@ -1,3 +1,19 @@
+--- a/xmvn-tools/xmvn-install/src/main/java/org/fedoraproject/xmvn/tools/install/impl/DefaultArtifactInstaller.java
++++ b/xmvn-tools/xmvn-install/src/main/java/org/fedoraproject/xmvn/tools/install/impl/DefaultArtifactInstaller.java
+@@ -185,7 +185,12 @@ class DefaultArtifactInstaller
+         am.setNamespace( repo.getNamespace() );
+ 
+         // UUID
+-        am.setUuid( UUID.randomUUID().toString() );
++        UUID guid = UUID.randomUUID();
++        if ( System.getenv( "SOURCE_DATE_EPOCH" ) != null )
++        {
++            guid = UUID.nameUUIDFromBytes( ( System.getenv( "SOURCE_DATE_EPOCH" ) + repo.getNamespace() + artifact.toString() ).getBytes() );
++        }
++        am.setUuid( guid.toString() );
+ 
+         // Compat version
+         for ( String version : rule.getVersions() )
 --- a/xmvn-tools/xmvn-install/src/main/java/org/fedoraproject/xmvn/tools/install/JavaPackage.java
 +++ b/xmvn-tools/xmvn-install/src/main/java/org/fedoraproject/xmvn/tools/install/JavaPackage.java
 @@ -58,7 +58,12 @@ public class JavaPackage
@@ -32,19 +48,3 @@
          splitMetadata.setArtifacts( splitArtifacts );
          splitMetadata.setSkippedArtifacts( metadata.getSkippedArtifacts() );
          return splitMetadata;
---- a/xmvn-tools/xmvn-install/src/main/java/org/fedoraproject/xmvn/tools/install/impl/DefaultArtifactInstaller.java
-+++ b/xmvn-tools/xmvn-install/src/main/java/org/fedoraproject/xmvn/tools/install/impl/DefaultArtifactInstaller.java
-@@ -185,7 +185,12 @@ class DefaultArtifactInstaller
-         am.setNamespace( repo.getNamespace() );
- 
-         // UUID
--        am.setUuid( UUID.randomUUID().toString() );
-+        UUID guid = UUID.randomUUID();
-+        if ( System.getenv( "SOURCE_DATE_EPOCH" ) != null )
-+        {
-+            guid = UUID.nameUUIDFromBytes( ( System.getenv( "SOURCE_DATE_EPOCH" ) + repo.getNamespace() + artifact.toString() ).getBytes() );
-+        }
-+        am.setUuid( guid.toString() );
- 
-         // Compat version
-         for ( String version : rule.getVersions() )