diff --git a/server/src/main/java/de/zalando/zally/rule/zalando/MediaTypesRule.kt b/server/src/main/java/de/zalando/zally/rule/zalando/MediaTypesRule.kt
index 6a004eb62..4841998d7 100644
--- a/server/src/main/java/de/zalando/zally/rule/zalando/MediaTypesRule.kt
+++ b/server/src/main/java/de/zalando/zally/rule/zalando/MediaTypesRule.kt
@@ -38,7 +38,7 @@ class MediaTypesRule {
     fun validate(context: Context): List<Violation> =
         context.api.paths.orEmpty().values.flatMap { path ->
             path.readOperations().flatMap { operation ->
-                val consumedMediaViolations = operation.requestBody.content.orEmpty()
+                val consumedMediaViolations = operation.requestBody?.content.orEmpty()
                     .filter { (mediaType, _) -> this.isViolatingMediaType(mediaType) }
                     .map { context.violation(description, it) } // todo #714: Check if pointer still valid without the 2nd parameter
                 val producedMediaViolation = operation.responses.orEmpty().values
diff --git a/server/src/test/java/de/zalando/zally/rule/zalando/MediaTypesRuleTest.kt b/server/src/test/java/de/zalando/zally/rule/zalando/MediaTypesRuleTest.kt
index dfca45625..41353aede 100644
--- a/server/src/test/java/de/zalando/zally/rule/zalando/MediaTypesRuleTest.kt
+++ b/server/src/test/java/de/zalando/zally/rule/zalando/MediaTypesRuleTest.kt
@@ -4,14 +4,19 @@ import de.zalando.zally.getFixture
 import de.zalando.zally.rule.Context
 import de.zalando.zally.util.PatternUtil.isApplicationJsonOrProblemJson
 import de.zalando.zally.util.PatternUtil.isCustomMediaTypeWithVersioning
-import io.swagger.models.Operation
-import io.swagger.models.Path
 import io.swagger.models.Swagger
-import io.swagger.parser.SwaggerParser
 import io.swagger.v3.oas.models.OpenAPI
+import io.swagger.v3.oas.models.Operation
+import io.swagger.v3.oas.models.PathItem
+import io.swagger.v3.oas.models.Paths
+import io.swagger.v3.oas.models.media.Content
+import io.swagger.v3.oas.models.media.MediaType
+import io.swagger.v3.oas.models.responses.ApiResponse
+import io.swagger.v3.oas.models.responses.ApiResponses
 import org.assertj.core.api.Assertions.assertThat
-import org.intellij.lang.annotations.Language
 import org.junit.Test
+import io.swagger.models.Operation as v2Operation
+import io.swagger.models.Path as v2Path
 
 class MediaTypesRuleTest {
 
@@ -45,12 +50,6 @@ class MediaTypesRuleTest {
         assertThat(isCustomMediaTypeWithVersioning("application/x.zalando.contract+json;")).isFalse()
     }
 
-    // todo #714: Delete this when conversion to `Context` is over.
-    @Test
-    fun `DEPRECATED empty specification causes no violation`() {
-        assertThat(rule.validate(Swagger())).isNull()
-    }
-
     @Test
     fun `empty specification causes no violation`() {
         val context = Context(OpenAPI())
@@ -59,11 +58,11 @@ class MediaTypesRuleTest {
 
     @Test
     fun `versioned custom media type causes no violation`() {
-        val swagger = swaggerWithMediaTypes(
+        val context = contextWithMediaTypes(
             "/shipment-order/{shipment_order_id}" to listOf(
                 "application/x.zalando.contract+json;v=123",
                 "application/vnd.api+json;version=3"))
-        assertThat(rule.validate(swagger)).isNull()
+        assertThat(rule.validate(context)).isEmpty()
     }
 
     @Test
@@ -114,11 +113,28 @@ class MediaTypesRuleTest {
         Swagger().apply {
             paths = pathToMedia
                 .map { (path, types) ->
-                    path to Path().apply {
-                        this["get"] = Operation().apply { produces = types }
+                    path to v2Path().apply {
+                        this["get"] = v2Operation().apply { produces = types }
                     }
                 }
                 .toMap()
         }
 
+    private fun contextWithMediaTypes(vararg pathToMedia: Pair<String, List<String>>): Context =
+        Context(OpenAPI().apply {
+            paths = pathToMedia.fold(Paths()) { paths, (path, types) ->
+                paths.addPathItem(path, PathItem().apply {
+                    get = Operation().apply {
+                        responses = ApiResponses().apply {
+                            addApiResponse("200", ApiResponse().apply {
+                                content = types.fold(Content()) { content, type ->
+                                    content.addMediaType(type, MediaType())
+                                }
+                            })
+                        }
+                    }
+                })
+            }
+        })
+
 }