diff --git a/build/darknet/x64/cfg/yolov4x-mish.cfg b/build/darknet/x64/cfg/yolov4x-mish.cfg
index 39629ee2..a7e75cf7 100644
--- a/build/darknet/x64/cfg/yolov4x-mish.cfg
+++ b/build/darknet/x64/cfg/yolov4x-mish.cfg
@@ -5,8 +5,8 @@
 # Training
 batch=64
 subdivisions=8
-width=672
-height=672
+width=640
+height=640
 channels=3
 momentum=0.949
 decay=0.0005
diff --git a/cfg/yolov4x-mish.cfg b/cfg/yolov4x-mish.cfg
index 39629ee2..a7e75cf7 100644
--- a/cfg/yolov4x-mish.cfg
+++ b/cfg/yolov4x-mish.cfg
@@ -5,8 +5,8 @@
 # Training
 batch=64
 subdivisions=8
-width=672
-height=672
+width=640
+height=640
 channels=3
 momentum=0.949
 decay=0.0005