diff --git a/IO.cpp b/IO.cpp
index af819d3..22163d9 100644
--- a/IO.cpp
+++ b/IO.cpp
@@ -27,13 +27,13 @@
 #if defined(WIDE_C4FSK_FILTERS_RX)
 // Generated using rcosdesign(0.2, 4, 5, 'sqrt') in MATLAB
 static q15_t C4FSK_FILTER[] = {688, -680, -2158, -3060, -2724, -775, 2684, 7041, 11310, 14425, 15565, 14425,
-                               11310, 7041, 2684, -775, -2724, -3060, -2158, -680, 688, 0};
+                                   11310, 7041, 2684, -775, -2724, -3060, -2158, -680, 688, 0};
 const uint16_t C4FSK_FILTER_LEN = 22U;
 #else
 // Generated using rcosdesign(0.2, 8, 5, 'sqrt') in MATLAB
 static q15_t C4FSK_FILTER[] = {401, 104, -340, -731, -847, -553, 112, 909, 1472, 1450, 683, -675, -2144, -3040, -2706, -770, 2667, 6995,
-                               11237, 14331, 15464, 14331, 11237, 6995, 2667, -770, -2706, -3040, -2144, -675, 683, 1450, 1472, 909, 112,
-                               -553, -847, -731, -340, 104, 401, 0};
+                                   11237, 14331, 15464, 14331, 11237, 6995, 2667, -770, -2706, -3040, -2144, -675, 683, 1450, 1472, 909, 112,
+                                   -553, -847, -731, -340, 104, 401, 0};
 const uint16_t C4FSK_FILTER_LEN = 42U;
 #endif