diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/SideBySide.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/SideBySide.java
index 56479be..de08e8b 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/SideBySide.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/SideBySide.java
@@ -242,6 +242,7 @@
     return CodeMirror.create(parent, Configuration.create()
       .set("cursorBlinkRate", prefs.cursorBlinkRate())
       .set("cursorHeight", 0.85)
+      .set("inputStyle", "textarea")
       .set("keyMap", "vim_ro")
       .set("lineNumbers", prefs.showLineNumbers())
       .set("lineWrapping", false)
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/Unified.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/Unified.java
index 20a280a..f95b607 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/Unified.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/Unified.java
@@ -234,6 +234,7 @@
         .set("cursorBlinkRate", prefs.cursorBlinkRate())
         .set("cursorHeight", 0.85)
         .set("gutters", gutters)
+        .set("inputStyle", "textarea")
         .set("keyMap", "vim_ro")
         .set("lineNumbers", false)
         .set("lineWrapping", false)