--- a/Makefile.am
+++ b/Makefile.am
@@ -550,7 +550,7 @@ libs/libzrtp/libzrtp.a:
 	cd libs/libzrtp && $(MAKE)
 
 libs/libvpx/Makefile:
-	cd libs/libvpx && CROSS="$(CROSS)" CC="$(CC)" CXX="$(CXX)" CFLAGS="$(CFLAGS)" CXXFLAGS="$(CXXFLAGS)" LDFLAGS="$(LDFLAGS)" ./configure --target=generic-gnu --enable-pic --disable-docs --disable-examples --disable-install-bins --disable-install-srcs --disable-unit-tests --extra-cflags="$(VISIBILITY_FLAG)"
+	cd libs/libvpx && CROSS="$(CROSS)" CC="$(CC)" CXX="$(CXX)" CFLAGS="$(CFLAGS)" CXXFLAGS="$(CXXFLAGS)" LDFLAGS="$(LDFLAGS)" ./configure --target=generic-gnu --enable-pic --disable-docs --disable-examples --disable-install-bins --disable-install-srcs --disable-unit-tests --extra-cflags="$(VISIBILITY_FLAG)" --disable-optimizations
 
 libs/libvpx/libvpx.a: libs/libvpx/Makefile
 	@cd libs/libvpx && $(MAKE)