diff --git a/Quake/Makefile b/Quake/Makefile
index fe1ae833..a74b102d 100644
--- a/Quake/Makefile
+++ b/Quake/Makefile
@@ -46,6 +46,7 @@ CC ?= gcc
 LINKER = $(CC)
 
 STRIP ?= strip
+PKG_CONFIG ?= pkg-config
 
 #CPUFLAGS= -mtune=i686
 #CPUFLAGS= -march=pentium4
@@ -153,8 +154,8 @@ ifeq ($(USE_CODEC_OPUS),1)
 # but they include the headers without the opus directory
 # prefix and rely on pkg-config. ewww...
 CFLAGS+= -DUSE_CODEC_OPUS
-CFLAGS+= $(shell pkg-config --cflags opusfile)
-CODECLIBS+= $(shell pkg-config --libs   opusfile)
+CFLAGS+= $(shell $(PKG_CONFIG) --cflags opusfile)
+CODECLIBS+= $(shell $(PKG_CONFIG) --libs   opusfile)
 endif
 ifeq ($(USE_CODEC_VORBIS),1)
 CFLAGS+= -DUSE_CODEC_VORBIS $(cpp_vorbisdec)