diff --git a/.gitignore b/.gitignore
index 7cd0850c6e4f5c0659ba75cd38b5440109ab6d7c..71ffb087a5d01c888ba31c55ec8ee8adb8e3a82f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@
 *~
 *.mat
 *.pyc
-*.prn
+# *.prn
 *.aux
 *.log
 *.dvi