diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/DbgUtils.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/DbgUtils.java
index c7c24a3dc..c36156fc4 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/DbgUtils.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/DbgUtils.java
@@ -78,6 +78,14 @@ public class DbgUtils {
         }
     } // logf
 
+    public static void logdf( String format, Object... args )
+    {
+        if ( s_doLog && BuildConfig.DEBUG ) {
+            Formatter formatter = new Formatter();
+            logf( formatter.format( format, args ).toString() );
+        }
+    } // logdf
+
     public static void showf( Context context, String format, Object... args )
     {
         Formatter formatter = new Formatter();