diff --git a/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/AbstractFieldsSnippet.java b/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/AbstractFieldsSnippet.java
index 8e2184f8..d6e384cf 100644
--- a/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/AbstractFieldsSnippet.java
+++ b/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/AbstractFieldsSnippet.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -296,6 +296,16 @@ public abstract class AbstractFieldsSnippet extends TemplatedSnippet {
 		return this.ignoreUndocumentedFields;
 	}
 
+	/**
+	 * Returns the {@link PayloadSubsectionExtractor}, if any, used by this snippet.
+	 *
+	 * @return the subsection extractor or {@code null}
+	 * @since 1.2.4
+	 */
+	protected final PayloadSubsectionExtractor<?> getSubsectionExtractor() {
+		return this.subsectionExtractor;
+	}
+
 	/**
 	 * Returns a model for the given {@code descriptor}.
 	 *
diff --git a/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/RequestFieldsSnippet.java b/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/RequestFieldsSnippet.java
index b882526a..bc8b8f7c 100644
--- a/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/RequestFieldsSnippet.java
+++ b/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/RequestFieldsSnippet.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -206,8 +206,8 @@ public class RequestFieldsSnippet extends AbstractFieldsSnippet {
 		combinedDescriptors.addAll(getFieldDescriptors());
 		combinedDescriptors.addAll(PayloadDocumentation.applyPathPrefix(pathPrefix,
 				Arrays.asList(additionalDescriptors)));
-		return new RequestFieldsSnippet(combinedDescriptors, getAttributes(),
-				isIgnoredUndocumentedFields());
+		return new RequestFieldsSnippet(getSubsectionExtractor(), combinedDescriptors,
+				getAttributes(), isIgnoredUndocumentedFields());
 	}
 
 	/**
@@ -226,8 +226,8 @@ public class RequestFieldsSnippet extends AbstractFieldsSnippet {
 				getFieldDescriptors());
 		combinedDescriptors.addAll(
 				PayloadDocumentation.applyPathPrefix(pathPrefix, additionalDescriptors));
-		return new RequestFieldsSnippet(combinedDescriptors, getAttributes(),
-				isIgnoredUndocumentedFields());
+		return new RequestFieldsSnippet(getSubsectionExtractor(), combinedDescriptors,
+				getAttributes(), isIgnoredUndocumentedFields());
 	}
 
 }
diff --git a/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/ResponseFieldsSnippet.java b/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/ResponseFieldsSnippet.java
index f652440a..144e468d 100644
--- a/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/ResponseFieldsSnippet.java
+++ b/spring-restdocs-core/src/main/java/org/springframework/restdocs/payload/ResponseFieldsSnippet.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -210,8 +210,8 @@ public class ResponseFieldsSnippet extends AbstractFieldsSnippet {
 		combinedDescriptors.addAll(getFieldDescriptors());
 		combinedDescriptors.addAll(PayloadDocumentation.applyPathPrefix(pathPrefix,
 				Arrays.asList(additionalDescriptors)));
-		return new ResponseFieldsSnippet(combinedDescriptors, this.getAttributes(),
-				isIgnoredUndocumentedFields());
+		return new ResponseFieldsSnippet(getSubsectionExtractor(), combinedDescriptors,
+				this.getAttributes(), isIgnoredUndocumentedFields());
 	}
 
 	/**
@@ -230,8 +230,8 @@ public class ResponseFieldsSnippet extends AbstractFieldsSnippet {
 				getFieldDescriptors());
 		combinedDescriptors.addAll(
 				PayloadDocumentation.applyPathPrefix(pathPrefix, additionalDescriptors));
-		return new ResponseFieldsSnippet(combinedDescriptors, this.getAttributes(),
-				isIgnoredUndocumentedFields());
+		return new ResponseFieldsSnippet(getSubsectionExtractor(), combinedDescriptors,
+				this.getAttributes(), isIgnoredUndocumentedFields());
 	}
 
 }
diff --git a/spring-restdocs-core/src/test/java/org/springframework/restdocs/payload/RequestFieldsSnippetTests.java b/spring-restdocs-core/src/test/java/org/springframework/restdocs/payload/RequestFieldsSnippetTests.java
index 7fe022a2..ffb4d4dc 100644
--- a/spring-restdocs-core/src/test/java/org/springframework/restdocs/payload/RequestFieldsSnippetTests.java
+++ b/spring-restdocs-core/src/test/java/org/springframework/restdocs/payload/RequestFieldsSnippetTests.java
@@ -103,6 +103,18 @@ public class RequestFieldsSnippetTests extends AbstractSnippetTests {
 								.build());
 	}
 
+	@Test
+	public void subsectionOfMapRequestWithCommonPrefix() throws IOException {
+		this.snippets.expect("request-fields-beneath-a")
+				.withContents(tableWithHeader("Path", "Type", "Description").row("`b.c`",
+						"`String`", "two"));
+
+		requestFields(beneathPath("a"))
+				.andWithPrefix("b.", fieldWithPath("c").description("two"))
+				.document(this.operationBuilder.request("http://localhost")
+						.content("{\"a\": {\"b\": {\"c\": \"charlie\"}}}").build());
+	}
+
 	@Test
 	public void arrayRequestWithFields() throws IOException {
 		this.snippets.expectRequestFields()
diff --git a/spring-restdocs-core/src/test/java/org/springframework/restdocs/payload/ResponseFieldsSnippetTests.java b/spring-restdocs-core/src/test/java/org/springframework/restdocs/payload/ResponseFieldsSnippetTests.java
index 43995020..cd6fdb52 100644
--- a/spring-restdocs-core/src/test/java/org/springframework/restdocs/payload/ResponseFieldsSnippetTests.java
+++ b/spring-restdocs-core/src/test/java/org/springframework/restdocs/payload/ResponseFieldsSnippetTests.java
@@ -95,6 +95,17 @@ public class ResponseFieldsSnippetTests extends AbstractSnippetTests {
 								.build());
 	}
 
+	@Test
+	public void subsectionOfMapResponseWithCommonsPrefix() throws IOException {
+		this.snippets.expect("response-fields-beneath-a")
+				.withContents(tableWithHeader("Path", "Type", "Description").row("`b.c`",
+						"`String`", "two"));
+		responseFields(beneathPath("a"))
+				.andWithPrefix("b.", fieldWithPath("c").description("two"))
+				.document(this.operationBuilder.response()
+						.content("{\"a\": {\"b\": {\"c\": \"charlie\"}}}").build());
+	}
+
 	@Test
 	public void arrayResponseWithFields() throws IOException {
 		this.snippets.expectResponseFields()