diff --git a/libavutil/lls.h b/libavutil/lls.h
index 3db391bb93936266a867fbee49223c105675ca74..5c51b7446f373a3c2fbd0a0cb02d1f845e8260fa 100644
--- a/libavutil/lls.h
+++ b/libavutil/lls.h
@@ -30,12 +30,12 @@
 /**
  * Linear least squares model.
  */
-typedef struct LLSModel{
-    double covariance[MAX_VARS+1][MAX_VARS+1];
+typedef struct LLSModel {
+    double covariance[MAX_VARS + 1][MAX_VARS + 1];
     double coeff[MAX_VARS][MAX_VARS];
     double variance[MAX_VARS];
     int indep_count;
-}LLSModel;
+} LLSModel;
 
 void av_init_lls(LLSModel *m, int indep_count);
 void av_update_lls(LLSModel *m, double *param, double decay);