diff --git a/src/main/kotlin/tasks/DockerCompose.kt b/src/main/kotlin/tasks/DockerCompose.kt
index 45c78d8..219a0cb 100644
--- a/src/main/kotlin/tasks/DockerCompose.kt
+++ b/src/main/kotlin/tasks/DockerCompose.kt
@@ -152,7 +152,7 @@ abstract class DockerCompose : DockerClient() {
     fun pull() = dockerCompose.services.keys.mapNotNull { name ->
         // Find services that do not match any projects and pull them as they must refer to an external image.
         // Other images will be provided by dependency on the image digests.
-        if (project.allprojects.none { it.isDockerProject && it.name == name }) name else null
+        if (project.rootProject.allprojects.none { it.isDockerProject && it.name == name }) name else null
     }.let { services ->
         if (services.isNotEmpty()) {
             invoke("pull", *services.toTypedArray())