diff --git a/src/main/java/eu/crushedpixel/replaymod/gui/GuiRenderSettings.java b/src/main/java/eu/crushedpixel/replaymod/gui/GuiRenderSettings.java
index efc66d32..503a57db 100644
--- a/src/main/java/eu/crushedpixel/replaymod/gui/GuiRenderSettings.java
+++ b/src/main/java/eu/crushedpixel/replaymod/gui/GuiRenderSettings.java
@@ -393,6 +393,7 @@ public class GuiRenderSettings extends GuiScreen {
         } else {
             commandInput.textboxKeyTyped(typedChar, keyCode);
             ffmpegArguments.textboxKeyTyped(typedChar, keyCode);
+            validateInputs();
         }
         super.keyTyped(typedChar, keyCode);
     }
@@ -605,6 +606,22 @@ public class GuiRenderSettings extends GuiScreen {
 
     private void validateInputs() {
         boolean valid = true;
+
+        boolean isPreset = false;
+        EncodingPreset curPreset = encodingPresetDropdown.getElement(encodingPresetDropdown.getSelectionIndex());
+        if(ffmpegArguments.getText().trim().equals(curPreset.getCommandLineArgs())) {
+            isPreset = true;
+        }
+
+        if(isPreset) {
+            if(curPreset.isYuv420()) {
+                if(getWidthSetting() % 2 != 0 || getHeightSetting() % 2 != 0) {
+                    valid = false;
+                    renderButton.hoverText = I18n.format("replaymod.gui.rendersettings.customresolution.warning.yuv420");
+                }
+            }
+        }
+
         switch (rendererDropdown.getElement(rendererDropdown.getSelectionIndex())) {
             case CUBIC:
                 if (getWidthSetting() * 3 / 4 != getHeightSetting()
diff --git a/src/main/java/eu/crushedpixel/replaymod/settings/EncodingPreset.java b/src/main/java/eu/crushedpixel/replaymod/settings/EncodingPreset.java
index d0f2bbd7..cb37c23c 100644
--- a/src/main/java/eu/crushedpixel/replaymod/settings/EncodingPreset.java
+++ b/src/main/java/eu/crushedpixel/replaymod/settings/EncodingPreset.java
@@ -38,6 +38,8 @@ public enum EncodingPreset implements GuiEntryListEntry {
         return commandLineArgs.contains("%BITRATE%");
     }
 
+    public boolean isYuv420() { return commandLineArgs.contains("-pix_fmt yuv420p"); }
+
     @Override
     public String getDisplayString() {
         return getI18nName();
diff --git a/src/main/resources/assets/replaymod/lang/en_US.lang b/src/main/resources/assets/replaymod/lang/en_US.lang
index 76ab1cfa..1d23bcc4 100644
--- a/src/main/resources/assets/replaymod/lang/en_US.lang
+++ b/src/main/resources/assets/replaymod/lang/en_US.lang
@@ -314,6 +314,7 @@ replaymod.gui.rendersettings.renderer.equirectangular.description=Renders the vi
 replaymod.gui.rendersettings.customresolution=Video Resolution
 replaymod.gui.rendersettings.customresolution.warning.cubic=Cubic Rendering requires an aspect ratio of 4:3
 replaymod.gui.rendersettings.customresolution.warning.equirectangular=Equirectangular Rendering requires an aspect ratio of 2:1
+replaymod.gui.rendersettings.customresolution.warning.yuv420=For this preset, the width and height values need to be even numbers
 replaymod.gui.rendersettings.resolution=Video Resolution
 replaymod.gui.rendersettings.interpolation=Path Interpolation
 replaymod.gui.rendersettings.forcechunks=Force Render Chunks