1 files changed, 1 insertions, 1 deletions

diff --git a/tools/rbspeex/Makefile b/tools/rbspeex/Makefile
index 267ef8d6d7..2fb1c4dc00 100644
--- a/tools/rbspeex/Makefile
+++ b/tools/rbspeex/Makefile
@@ -29,7 +29,7 @@ endif
 
 # don't try to use the systems libspeex when building a static binary.
 ifndef STATIC
-SYS_SPEEX = $(shell pkg-config --silence-errors --libs speex speexdsp)
+SYS_SPEEX ?= $(shell pkg-config --silence-errors --libs speex speexdsp)
 endif
 
 # fall back to our own librbspeex if no suitable found.