diff --git a/spring-restdocs-core/src/main/java/org/springframework/restdocs/RestDocumentationExtension.java b/spring-restdocs-core/src/main/java/org/springframework/restdocs/RestDocumentationExtension.java
index f384255a..2ad54a20 100644
--- a/spring-restdocs-core/src/main/java/org/springframework/restdocs/RestDocumentationExtension.java
+++ b/spring-restdocs-core/src/main/java/org/springframework/restdocs/RestDocumentationExtension.java
@@ -47,8 +47,11 @@ public class RestDocumentationExtension
 	@Override
 	public boolean supportsParameter(ParameterContext parameterContext,
 			ExtensionContext extensionContext) {
-		return RestDocumentationContextProvider.class
-				.isAssignableFrom(parameterContext.getParameter().getType());
+		if (isTestMethodContext(extensionContext)) {
+			return RestDocumentationContextProvider.class
+					.isAssignableFrom(parameterContext.getParameter().getType());
+		}
+		return false;
 	}
 
 	@Override
@@ -58,6 +61,10 @@ public class RestDocumentationExtension
 				.beforeOperation();
 	}
 
+	private boolean isTestMethodContext(ExtensionContext context) {
+		return context.getTestClass().isPresent() && context.getTestMethod().isPresent();
+	}
+
 	private ManualRestDocumentation getDelegate(ExtensionContext context) {
 		Namespace namespace = Namespace.create(getClass(), context.getUniqueId());
 		return context.getStore(namespace).getOrComputeIfAbsent(