diff --git a/core/src/main/java/com/android/volley/toolbox/HttpHeaderParser.java b/core/src/main/java/com/android/volley/toolbox/HttpHeaderParser.java
index 0b29e808..ae99748c 100644
--- a/core/src/main/java/com/android/volley/toolbox/HttpHeaderParser.java
+++ b/core/src/main/java/com/android/volley/toolbox/HttpHeaderParser.java
@@ -194,7 +194,7 @@ public static String parseCharset(
             for (int i = 1; i < params.length; i++) {
                 String[] pair = params[i].trim().split("=", 0);
                 if (pair.length == 2) {
-                    if (pair[0].equals("charset")) {
+                    if (pair[0].equalsIgnoreCase("charset")) {
                         return pair[1];
                     }
                 }
diff --git a/core/src/test/java/com/android/volley/toolbox/HttpHeaderParserTest.java b/core/src/test/java/com/android/volley/toolbox/HttpHeaderParserTest.java
index 7780c3e1..c39a60e7 100644
--- a/core/src/test/java/com/android/volley/toolbox/HttpHeaderParserTest.java
+++ b/core/src/test/java/com/android/volley/toolbox/HttpHeaderParserTest.java
@@ -265,6 +265,12 @@ public void parseCharset() {
         headers.put("Content-Type", "text/plain; charset=utf-8; frozzle=bar");
         assertEquals("utf-8", HttpHeaderParser.parseCharset(headers));
 
+        // Charset parameter name is case-insensitive.
+        headers.put("Content-Type", "text/plain; Charset=UTF-8");
+        assertEquals("UTF-8", HttpHeaderParser.parseCharset(headers));
+        headers.put("Content-Type", "text/plain; CHARSET=Shift_JIS");
+        assertEquals("Shift_JIS", HttpHeaderParser.parseCharset(headers));
+
         // No Content-Type header
         headers.clear();
         assertEquals("ISO-8859-1", HttpHeaderParser.parseCharset(headers));