diff --git a/ffpresets/libx264-default.ffpreset b/ffpresets/libx264-default.ffpreset
index 4e1cebca45..f0a62ee62e 100644
--- a/ffpresets/libx264-default.ffpreset
+++ b/ffpresets/libx264-default.ffpreset
@@ -2,7 +2,7 @@ coder=1
 flags=+loop
 cmp=+chroma
 partitions=+parti8x8+parti4x4+partp8x8+partb8x8
-me=hex
+me_method=hex
 subq=5
 me_range=16
 g=250
diff --git a/ffpresets/libx264-fastfirstpass.ffpreset b/ffpresets/libx264-fastfirstpass.ffpreset
index 1d638fee48..c0d6cbc93c 100644
--- a/ffpresets/libx264-fastfirstpass.ffpreset
+++ b/ffpresets/libx264-fastfirstpass.ffpreset
@@ -2,7 +2,7 @@ coder=1
 flags=+loop
 cmp=+chroma
 partitions=-parti8x8-parti4x4-partp8x8-partp4x4-partb8x8
-me=dia
+me_method=dia
 subq=1
 me_range=16
 g=250
diff --git a/ffpresets/libx264-hq.ffpreset b/ffpresets/libx264-hq.ffpreset
index 16b1649181..b20cf4d1c1 100644
--- a/ffpresets/libx264-hq.ffpreset
+++ b/ffpresets/libx264-hq.ffpreset
@@ -2,7 +2,7 @@ coder=1
 flags=+loop
 cmp=+chroma
 partitions=+parti8x8+parti4x4+partp8x8+partb8x8
-me=umh
+me_method=umh
 subq=7
 me_range=16
 g=250
diff --git a/ffpresets/libx264-max.ffpreset b/ffpresets/libx264-max.ffpreset
index ad90140e42..2f1d025242 100644
--- a/ffpresets/libx264-max.ffpreset
+++ b/ffpresets/libx264-max.ffpreset
@@ -2,7 +2,7 @@ coder=1
 flags=+loop
 cmp=+chroma
 partitions=+parti8x8+parti4x4+partp8x8+partp4x4+partb8x8
-me=tesa
+me_method=tesa
 subq=7
 me_range=32
 g=250
diff --git a/ffpresets/libx264-normal.ffpreset b/ffpresets/libx264-normal.ffpreset
index f3a348d73f..e7d6db9ada 100644
--- a/ffpresets/libx264-normal.ffpreset
+++ b/ffpresets/libx264-normal.ffpreset
@@ -2,7 +2,7 @@ coder=1
 flags=+loop
 cmp=+chroma
 partitions=+parti8x8+parti4x4+partp8x8+partb8x8
-me=hex
+me_method=hex
 subq=6
 me_range=16
 g=250