1 files changed, 2 insertions, 2 deletions
diff --git a/tools/spectool.cc b/tools/spectool.cc
index 954aa52..29a2952 100644
--- a/tools/spectool.cc
+++ b/tools/spectool.cc
@@ -72,13 +72,13 @@ int analyze_audio(const char *in_path, const char *out_path) {
   while (last_frame > 0) {
     bool all_zeros = true;
     for (int i = 0; i < DCT_SIZE; ++i) {
-      if (spec_data[ (last_frame - 1) * DCT_SIZE + i ] != 0.0f) {
+      if (spec_data[(last_frame - 1) * DCT_SIZE + i] != 0.0f) {
         all_zeros = false;
         break;
       }
     }
     if (all_zeros) {
-      last_frame--;
+      --last_frame;
     } else {
       break;
     }