diff --git a/orca-igor/src/main/groovy/com/netflix/spinnaker/orca/igor/tasks/StartGoogleCloudBuildTask.java b/orca-igor/src/main/groovy/com/netflix/spinnaker/orca/igor/tasks/StartGoogleCloudBuildTask.java
index e15db1b436..06cd0a703c 100644
--- a/orca-igor/src/main/groovy/com/netflix/spinnaker/orca/igor/tasks/StartGoogleCloudBuildTask.java
+++ b/orca-igor/src/main/groovy/com/netflix/spinnaker/orca/igor/tasks/StartGoogleCloudBuildTask.java
@@ -16,7 +16,6 @@
 
 package com.netflix.spinnaker.orca.igor.tasks;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.netflix.spinnaker.kork.artifacts.model.Artifact;
 import com.netflix.spinnaker.kork.core.RetrySupport;
 import com.netflix.spinnaker.orca.ExecutionStatus;
@@ -28,6 +27,7 @@
 import com.netflix.spinnaker.orca.igor.model.GoogleCloudBuildStageDefinition;
 import com.netflix.spinnaker.orca.pipeline.model.Stage;
 import com.netflix.spinnaker.orca.pipeline.util.ArtifactResolver;
+import com.netflix.spinnaker.orca.pipeline.util.ContextParameterProcessor;
 import java.io.IOException;
 import java.util.Map;
 import javax.annotation.Nonnull;
@@ -43,8 +43,8 @@ public class StartGoogleCloudBuildTask implements Task {
   private final IgorService igorService;
   private final OortService oortService;
   private final ArtifactResolver artifactResolver;
+  private final ContextParameterProcessor contextParameterProcessor;
 
-  private final ObjectMapper objectMapper = new ObjectMapper();
   private final RetrySupport retrySupport = new RetrySupport();
   private static final ThreadLocal<Yaml> yamlParser =
       ThreadLocal.withInitial(() -> new Yaml(new SafeConstructor()));
@@ -90,18 +90,22 @@ private Map<String, Object> getBuildDefinitionFromArtifact(
       throw new IllegalArgumentException("No manifest artifact account was specified.");
     }
 
-    return retrySupport.retry(
-        () -> {
-          try {
-            Response buildText = oortService.fetchArtifact(buildDefinitionArtifact);
-            Object result = yamlParser.get().load(buildText.getBody().in());
-            return (Map<String, Object>) result;
-          } catch (IOException e) {
-            throw new RuntimeException(e);
-          }
-        },
-        10,
-        200,
-        false);
+    Map<String, Object> buildDefinition =
+        retrySupport.retry(
+            () -> {
+              try {
+                Response buildText = oortService.fetchArtifact(buildDefinitionArtifact);
+                Object result = yamlParser.get().load(buildText.getBody().in());
+                return (Map<String, Object>) result;
+              } catch (IOException e) {
+                throw new RuntimeException(e);
+              }
+            },
+            10,
+            200,
+            false);
+
+    return contextParameterProcessor.process(
+        buildDefinition, contextParameterProcessor.buildExecutionContext(stage), true);
   }
 }
diff --git a/orca-igor/src/test/groovy/com/netflix/spinnaker/orca/igor/tasks/StartGoogleCloudBuildTaskSpec.groovy b/orca-igor/src/test/groovy/com/netflix/spinnaker/orca/igor/tasks/StartGoogleCloudBuildTaskSpec.groovy
index 0b8f2e7533..f33f5ecbf3 100644
--- a/orca-igor/src/test/groovy/com/netflix/spinnaker/orca/igor/tasks/StartGoogleCloudBuildTaskSpec.groovy
+++ b/orca-igor/src/test/groovy/com/netflix/spinnaker/orca/igor/tasks/StartGoogleCloudBuildTaskSpec.groovy
@@ -25,6 +25,7 @@ import com.netflix.spinnaker.orca.igor.model.GoogleCloudBuild
 import com.netflix.spinnaker.orca.pipeline.model.Execution
 import com.netflix.spinnaker.orca.pipeline.model.Stage
 import com.netflix.spinnaker.orca.pipeline.util.ArtifactResolver
+import com.netflix.spinnaker.orca.pipeline.util.ContextParameterProcessor
 import retrofit.client.Response
 import retrofit.mime.TypedString
 import spock.lang.Specification
@@ -32,8 +33,27 @@ import spock.lang.Subject
 
 class StartGoogleCloudBuildTaskSpec extends Specification {
   def ACCOUNT = "my-account"
+  def RAW_BUILD = [
+    steps: [
+      [
+        args: [
+          "bin/echo",
+          '${#currentStage()["name"].toString()}'
+        ],
+        name: "debian"
+      ]
+    ]
+  ]
   def BUILD = [
-    steps: []
+    steps: [
+      [
+        args: [
+          "bin/echo",
+          "My GCB Stage"
+        ],
+        name: "debian"
+      ]
+    ]
   ]
   def objectMapper = new ObjectMapper()
 
@@ -41,9 +61,10 @@ class StartGoogleCloudBuildTaskSpec extends Specification {
   IgorService igorService = Mock(IgorService)
   OortService oortService = Mock(OortService)
   ArtifactResolver artifactResolver = Mock(ArtifactResolver)
+  ContextParameterProcessor contextParameterProcessor = Mock(ContextParameterProcessor)
 
   @Subject
-  StartGoogleCloudBuildTask task = new StartGoogleCloudBuildTask(igorService, oortService, artifactResolver)
+  StartGoogleCloudBuildTask task = new StartGoogleCloudBuildTask(igorService, oortService, artifactResolver, contextParameterProcessor)
 
   def "starts a build defined inline"() {
     given:
@@ -74,7 +95,8 @@ class StartGoogleCloudBuildTaskSpec extends Specification {
       buildDefinitionSource: "artifact",
       buildDefinitionArtifact: [
         artifact: artifact
-      ]
+      ],
+      name: "My GCB Stage"
     ])
 
     when:
@@ -82,7 +104,8 @@ class StartGoogleCloudBuildTaskSpec extends Specification {
 
     then:
     artifactResolver.getBoundArtifactForStage(stage, null, artifact) >> artifact
-    oortService.fetchArtifact(artifact) >> new Response("", 200, "", Collections.emptyList(), new TypedString(objectMapper.writeValueAsString(BUILD)))
+    oortService.fetchArtifact(artifact) >> new Response("", 200, "", Collections.emptyList(), new TypedString(objectMapper.writeValueAsString(RAW_BUILD)))
+    1 * contextParameterProcessor.process(RAW_BUILD, _, _) >> BUILD
 
     1 * igorService.createGoogleCloudBuild(ACCOUNT, BUILD) >> igorResponse
     result.context.buildInfo == igorResponse