diff --git a/libavfilter/vf_vif.c b/libavfilter/vf_vif.c
index 64eb39699f..412019a8cf 100644
--- a/libavfilter/vf_vif.c
+++ b/libavfilter/vf_vif.c
@@ -27,6 +27,7 @@
 
 #include <float.h>
 
+#include "libavutil/internal.h"
 #include "libavutil/mem.h"
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
@@ -238,7 +239,7 @@ static int vif_filter1d(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
                     int ii = i - filt_w / 2 + filt_i;
                     float img_coeff;
 
-                    ii = ii < 0 ? -ii : (ii >= h ? 2 * h - ii - 1 : ii);
+                    ii = avpriv_mirror(ii, h - 1);
 
                     img_coeff = src[ii * src_stride + j];
                     sum += filt_coeff * img_coeff;
@@ -267,7 +268,7 @@ static int vif_filter1d(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
                     int jj = j - filt_w / 2 + filt_j;
                     float img_coeff;
 
-                    jj = jj < 0 ? -jj : (jj >= w ? 2 * w - jj - 1 : jj);
+                    jj = avpriv_mirror(jj, w - 1);
 
                     img_coeff = temp[jj];
                     sum += filt_coeff * img_coeff;