diff --git a/powershell/ql/lib/semmle/code/powershell/dataflow/Ssa.qll b/powershell/ql/lib/semmle/code/powershell/dataflow/Ssa.qll
index 212936b3643..0d1b3728326 100644
--- a/powershell/ql/lib/semmle/code/powershell/dataflow/Ssa.qll
+++ b/powershell/ql/lib/semmle/code/powershell/dataflow/Ssa.qll
@@ -158,7 +158,7 @@ module Ssa {
         not exists(this.getSplitString()) and
         prefix = ""
       |
-        result = prefix + "phi"
+        result = prefix + "phi (" + this.getSourceVariable() + ")"
       )
     }