diff --git a/src/main/groovy/com/avast/gradle/dockercompose/DockerExecutor.groovy b/src/main/groovy/com/avast/gradle/dockercompose/DockerExecutor.groovy
index f01786d..121a57c 100644
--- a/src/main/groovy/com/avast/gradle/dockercompose/DockerExecutor.groovy
+++ b/src/main/groovy/com/avast/gradle/dockercompose/DockerExecutor.groovy
@@ -48,7 +48,7 @@ class DockerExecutor {
 
     String getDockerPlatform() {
         String osType = getDockerInfo().collect { it.trim() }.find { it.startsWith('OSType:') }
-        osType.empty ? System.getProperty("os.name") : osType.substring('OSType:'.length()).trim()
+        osType == null || osType.empty ? System.getProperty("os.name") : osType.substring('OSType:'.length()).trim()
     }
 
     String getContainerPlatform(Map<String, Object> inspection) {