diff --git a/makefile b/makefile
index c670b63e..2b0a8a5f 100644
--- a/makefile
+++ b/makefile
@@ -1,7 +1,7 @@
 TOP ?= .
 include Makefile.conf
 export prefix
-export PKG_CONFIG_PATH = $(datarootdir)/pkgconfig:$(libdir)/pkgconfig
+export PKG_CONFIG_PATH = $(PKG_CONFIG_PATH):$(datarootdir)/pkgconfig:$(libdir)/pkgconfig
 
 DJLIBC = $(TOP)/lib/libc.a
 DJCRT0 = $(TOP)/lib/crt0.elf