diff --git a/C++.gitignore b/C++.gitignore
index 0def2755dff457515a8bd19d98c5cff171d9a4f5..35e15598d8dc636d5640299f95d3ce31a0a6092e 100644
--- a/C++.gitignore
+++ b/C++.gitignore
@@ -9,6 +9,9 @@
 *.dylib
 *.dll
 
+# Fortran module files
+*.mod
+
 # Compiled Static libraries
 *.lai
 *.la