diff --git a/.gitignore b/.gitignore
index 3d75b2b0a..fd8e622db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,9 @@ src/icons/qbt-theme/build-icons/node_modules/
 src/icons/skin/build-icons/node_modules/
 src/icons/skin/build-icons/icons/*.png
 
+# CMake build directory
+build/
+
 # Web UI tools
 node_modules
 package-lock.json