diff --git a/core/java/android/database/DatabaseUtils.java b/core/java/android/database/DatabaseUtils.java
index a10ca15..01bcdf7 100644
--- a/core/java/android/database/DatabaseUtils.java
+++ b/core/java/android/database/DatabaseUtils.java
@@ -39,6 +39,7 @@
 import java.io.PrintStream;
 import java.text.Collator;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 
 /**
@@ -1318,7 +1319,7 @@
         if (sql.length() < 3) {
             return STATEMENT_OTHER;
         }
-        String prefixSql = sql.substring(0, 3).toUpperCase();
+        String prefixSql = sql.substring(0, 3).toUpperCase(Locale.US);
         if (prefixSql.equals("SEL")) {
             return STATEMENT_SELECT;
         } else if (prefixSql.equals("INS") ||