diff --git a/.gitignore b/.gitignore
index a2002ef885..ffc4a256aa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@ Thumbs.db
 # Ignore autogenerated source files
 Source/Core/Common/scmrev.h
 # Ignore files output by build
-/[Bb]uild/
+/[Bb]uild[-_]*/
 /[Bb]inary/
 /obj/
 # Ignore various files created by visual studio/msbuild
@@ -22,3 +22,5 @@ CMakeLists.txt.user
 *~
 # Ignore transifex configuration directory
 .tx
+# Ignore kdevelop files/dirs
+*.kdev4