diff --git a/C++.gitignore b/C++.gitignore
index 0def2755..35e15598 100644
--- a/C++.gitignore
+++ b/C++.gitignore
@@ -9,6 +9,9 @@
 *.dylib
 *.dll
 
+# Fortran module files
+*.mod
+
 # Compiled Static libraries
 *.lai
 *.la