diff --git a/src/primer-design/classes/Guide.py b/src/primer-design/classes/Guide.py
index 32d703f..cb3ace6 100755
--- a/src/primer-design/classes/Guide.py
+++ b/src/primer-design/classes/Guide.py
@@ -301,8 +301,8 @@ def writePrimerCSV(self):
                         writer.writerow(
                             [
                                 (primer_name + "wt_F1"),
-                                wPrimer["leftprimer"],
-                                str(wPrimer["leftTM"]),
+                                wt_primer["leftprimer"],
+                                str(wt_primer["leftTM"]),
                             ]
                         )
                         writer.writerow(