diff --git a/Makefile b/Makefile
index bdee351..1f901b7 100644
--- a/Makefile
+++ b/Makefile
@@ -3,4 +3,5 @@ ARGUI = 1
 ARWUTF = 1
 
 EXTRAOBJ += obj/divsufsort-c$(OBJSUFFIX).o
+EXTRAOBJ += patch/*.cpp
 include arlib/Makefile
diff --git a/libbps-suf.cpp b/patch/libbps-suf.cpp
similarity index 100%
rename from libbps-suf.cpp
rename to patch/libbps-suf.cpp
diff --git a/libbps.cpp b/patch/libbps.cpp
similarity index 100%
rename from libbps.cpp
rename to patch/libbps.cpp
diff --git a/libbps.h b/patch/libbps.h
similarity index 100%
rename from libbps.h
rename to patch/libbps.h
diff --git a/libips.cpp b/patch/libips.cpp
similarity index 100%
rename from libips.cpp
rename to patch/libips.cpp
diff --git a/libips.h b/patch/libips.h
similarity index 100%
rename from libips.h
rename to patch/libips.h
diff --git a/libups.cpp b/patch/libups.cpp
similarity index 100%
rename from libups.cpp
rename to patch/libups.cpp
diff --git a/libups.h b/patch/libups.h
similarity index 100%
rename from libups.h
rename to patch/libups.h