diff --git a/distribution/packages/build.gradle b/distribution/packages/build.gradle
index 171bc9bfa12..48251b9fe31 100644
--- a/distribution/packages/build.gradle
+++ b/distribution/packages/build.gradle
@@ -134,9 +134,9 @@ Closure commonPackageConfig(String type, boolean jdk, String architecture) {
     destinationDirectory = file("${prefix}/build/distributions")
 
     // SystemPackagingTask overrides default archive task convention mappings, but doesn't provide a setter so we have to override the convention mapping itself
-    // Deb convention uses a '-' for final separator before architecture, rpm uses a '.'
+    // Deb convention uses a '_' for final separator before architecture, rpm uses a '.'
     if (type == 'deb') {
-      conventionMapping.archiveFile = { objects.fileProperty().fileValue(file("${destinationDirectory.get()}/${packageName}-${project.version}${jdkString}-${archString}.${type}")) }
+      conventionMapping.archiveFile = { objects.fileProperty().fileValue(file("${destinationDirectory.get()}/${packageName}_${project.version}${jdkString}_${archString}.${type}")) }
     } else {
       conventionMapping.archiveFile = { objects.fileProperty().fileValue(file("${destinationDirectory.get()}/${packageName}-${project.version}${jdkString}.${archString}.${type}")) }
     }