diff --git a/package/liquid-dsp/liquid-dsp.mk b/package/liquid-dsp/liquid-dsp.mk
index 1f645bf33a..64c403e87f 100644
--- a/package/liquid-dsp/liquid-dsp.mk
+++ b/package/liquid-dsp/liquid-dsp.mk
@@ -30,9 +30,9 @@ LIQUID_DSP_CFLAGS += -ffast-math
 endif
 
 # use FFTW instead of built-in FFT
-ifeq ($(BR2_PACKAGE_FFTW_PRECISION_SINGLE),y)
+ifeq ($(BR2_PACKAGE_FFTW_SINGLE),y)
 LIQUID_DSP_LDFLAGS += -lfftw3f
-LIQUID_DSP_DEPENDENCIES += fftw
+LIQUID_DSP_DEPENDENCIES += fftw-single
 endif
 
 # disable altivec, it has build issues