diff --git a/spring-web/src/main/java/org/springframework/http/MediaType.java b/spring-web/src/main/java/org/springframework/http/MediaType.java
index 141104048905766d864bac006ee3852f3f849ab9..4cc037b8c64c995d7875773f0cf547e5ac65b6d7 100644
--- a/spring-web/src/main/java/org/springframework/http/MediaType.java
+++ b/spring-web/src/main/java/org/springframework/http/MediaType.java
@@ -376,7 +376,12 @@ public class MediaType implements Comparable<MediaType> {
 	}
 
 	private boolean isQuotedString(String s) {
-		return s.length() > 1 && s.startsWith("\"") && s.endsWith("\"") ;
+		if (s.length() < 2) {
+			return false;
+		}
+		else {
+			return ((s.startsWith("\"") && s.endsWith("\"")) || (s.startsWith("'") && s.endsWith("'")));
+		}
 	}
 
 	private String unquote(String s) {
diff --git a/spring-web/src/test/java/org/springframework/http/MediaTypeTests.java b/spring-web/src/test/java/org/springframework/http/MediaTypeTests.java
index 2e290d0a8147b96fb3072357fe66f2e2858d5b6e..d54768ef6f86ee49b2b7c1fad4b3309448e34dad 100644
--- a/spring-web/src/test/java/org/springframework/http/MediaTypeTests.java
+++ b/spring-web/src/test/java/org/springframework/http/MediaTypeTests.java
@@ -181,6 +181,14 @@ public class MediaTypeTests {
 		assertEquals("\"v>alue\"", mediaType.getParameter("attr"));
 	}
 
+	// SPR-8917
+
+	@Test
+	public void parseMediaTypeSingleQuotedParameterValue() {
+		MediaType mediaType = MediaType.parseMediaType("audio/*;attr='v>alue'");
+		assertEquals("'v>alue'", mediaType.getParameter("attr"));
+	}
+
 	@Test(expected = IllegalArgumentException.class)
 	public void parseMediaTypeIllegalQuotedParameterValue() {
 		MediaType.parseMediaType("audio/*;attr=\"");