diff --git a/.gitignore b/.gitignore
index 0ad1c733b9..a90a1bce68 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,8 @@
 .downloads-by-cmake
 .gdb_history
 boost_root
-Build*
-build*
+Build/
+build/
 common/fp_lib_table_keywords.cpp
 common/drc_rules_keywords.cpp
 common/drc_rules_lexer.h