diff --git a/impl/src/sdr/sdr.c b/impl/src/sdr/sdr.c
index 6c53af7..828f41e 100644
--- a/impl/src/sdr/sdr.c
+++ b/impl/src/sdr/sdr.c
@@ -55,6 +55,7 @@ static int rx_callback(hackrf_transfer *transfer)
 
 static inline int8_t clamp_float2int8(float s)
 {
+	s *= 127.0f;
 	if(s >= 127.0f) {
 		return 127;
 	} else if(s <= -128.0f) {