diff --git a/presets/libvpx-1080p.ffpreset b/presets/libvpx-1080p.ffpreset
index a2accba7ff..cf25932100 100644
--- a/presets/libvpx-1080p.ffpreset
+++ b/presets/libvpx-1080p.ffpreset
@@ -1,3 +1,5 @@
+vcodec=libvpx
+
 g=120
 lag-in-frames=16
 deadline=good
diff --git a/presets/libvpx-1080p50_60.ffpreset b/presets/libvpx-1080p50_60.ffpreset
index 3d29f9bf87..4a88040d34 100644
--- a/presets/libvpx-1080p50_60.ffpreset
+++ b/presets/libvpx-1080p50_60.ffpreset
@@ -1,3 +1,5 @@
+vcodec=libvpx
+
 g=120
 lag-in-frames=25
 deadline=good
diff --git a/presets/libvpx-360p.ffpreset b/presets/libvpx-360p.ffpreset
index 36fd11af43..f9729ba2bb 100644
--- a/presets/libvpx-360p.ffpreset
+++ b/presets/libvpx-360p.ffpreset
@@ -1,3 +1,5 @@
+vcodec=libvpx
+
 g=120
 lag-in-frames=16
 deadline=good
diff --git a/presets/libvpx-720p.ffpreset b/presets/libvpx-720p.ffpreset
index ba7791d544..e84cc150cd 100644
--- a/presets/libvpx-720p.ffpreset
+++ b/presets/libvpx-720p.ffpreset
@@ -1,3 +1,5 @@
+vcodec=libvpx
+
 g=120
 lag-in-frames=16
 deadline=good
diff --git a/presets/libvpx-720p50_60.ffpreset b/presets/libvpx-720p50_60.ffpreset
index b339774e78..8fce2bfb5a 100644
--- a/presets/libvpx-720p50_60.ffpreset
+++ b/presets/libvpx-720p50_60.ffpreset
@@ -1,3 +1,5 @@
+vcodec=libvpx
+
 g=120
 lag-in-frames=25
 deadline=good
diff --git a/presets/libx264-ipod320.ffpreset b/presets/libx264-ipod320.ffpreset
index 6abacbd72c..76722bd6dd 100644
--- a/presets/libx264-ipod320.ffpreset
+++ b/presets/libx264-ipod320.ffpreset
@@ -1,3 +1,5 @@
+vcodec=libx264
+
 vprofile=baseline
 level=13
 maxrate=768000
diff --git a/presets/libx264-ipod640.ffpreset b/presets/libx264-ipod640.ffpreset
index cda7c08752..51f7564275 100644
--- a/presets/libx264-ipod640.ffpreset
+++ b/presets/libx264-ipod640.ffpreset
@@ -1,3 +1,5 @@
+vcodec=libx264
+
 vprofile=baseline
 level=30
 maxrate=10000000