diff --git a/src/main.c b/src/main.c
index 8fcbf11..d4cd731 100644
--- a/src/main.c
+++ b/src/main.c
@@ -242,8 +242,8 @@ static void lo_generate_phase(uint32_t *buf, size_t len, uint32_t step, uint32_t
 		uint32_t bits = 0;
 
 		for (int j = 0; j < 32; j++) {
-			bits |= phase >> 31;
 			bits <<= 1;
+			bits |= phase >> 31;
 			phase += step;
 		}