diff --git a/libavfilter/vf_v360.c b/libavfilter/vf_v360.c
index 098bc07ef5..7cd6aa9f6d 100644
--- a/libavfilter/vf_v360.c
+++ b/libavfilter/vf_v360.c
@@ -1408,8 +1408,8 @@ static int prepare_stereographic_out(AVFilterContext *ctx)
 {
     V360Context *s = ctx->priv;
 
-    const float h_angle = tan(FFMIN(s->h_fov, 359.f) * M_PI / 720.f);
-    const float v_angle = tan(FFMIN(s->v_fov, 359.f) * M_PI / 720.f);
+    const float h_angle = tanf(FFMIN(s->h_fov, 359.f) * M_PI / 720.f);
+    const float v_angle = tanf(FFMIN(s->v_fov, 359.f) * M_PI / 720.f);
 
     s->flat_range[0] = h_angle;
     s->flat_range[1] = v_angle;
@@ -1777,8 +1777,8 @@ static int prepare_flat_out(AVFilterContext *ctx)
     const float h_angle = 0.5f * s->h_fov * M_PI / 180.f;
     const float v_angle = 0.5f * s->v_fov * M_PI / 180.f;
 
-    s->flat_range[0] =  tan(h_angle);
-    s->flat_range[1] =  tan(v_angle);
+    s->flat_range[0] =  tanf(h_angle);
+    s->flat_range[1] =  tanf(v_angle);
     s->flat_range[2] = -1.f;
 
     return 0;