diff --git a/package/mediastreamer/mediastreamer.mk b/package/mediastreamer/mediastreamer.mk
index dcec66dfcd..691eaddb52 100644
--- a/package/mediastreamer/mediastreamer.mk
+++ b/package/mediastreamer/mediastreamer.mk
@@ -80,7 +80,8 @@ else
 MEDIASTREAMER_CONF_OPTS += -DENABLE_OPUS=OFF
 endif
 
-ifeq ($(BR2_PACKAGE_PORTAUDIO),y)
+# portaudio backend needs speexdsp as well
+ifeq ($(BR2_PACKAGE_PORTAUDIO)$(BR2_PACKAGE_SPEEXDSP),yy)
 MEDIASTREAMER_CONF_OPTS += \
 	-DENABLE_PORTAUDIO=ON \
 	-DENABLE_SOUND=ON