diff --git a/.gitignore b/.gitignore
index 0fa15e4..cdcaae8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,6 @@ cmake-build-debug/
 /test/output.txt
 /test/output2.txt
 /test/NameSort.exe
+
+# Ignore build directory on *nix systems
+/build