diff --git a/src/main.c b/src/main.c
index 1f0e808..cd0186c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -290,7 +290,7 @@ static void lo_tweak(uint32_t *buf, uint32_t phase)
 
 static void rx_lo_init(double req_freq, bool align)
 {
-	const double step_hz = (double)CLK_SYS_HZ / (4 << LO_BITS_DEPTH);
+	const double step_hz = (double)CLK_SYS_HZ / (8 << LO_BITS_DEPTH);
 	double freq = req_freq;
 
 	if (align)