diff --git a/spring-boot-docs/src/main/groovy/generateTestSlicesTable.groovy b/spring-boot-docs/src/main/groovy/generateTestSlicesTable.groovy
index 7d1cb91c3d..a29351e2da 100644
--- a/spring-boot-docs/src/main/groovy/generateTestSlicesTable.groovy
+++ b/spring-boot-docs/src/main/groovy/generateTestSlicesTable.groovy
@@ -94,7 +94,7 @@ Set<String> findMetaImporters(AnnotationMetadata annotationMetadata) {
 }
 
 boolean isAutoConfigurationImporter(String annotationType, AnnotationMetadata metadata) {
-	metadata.getMetaAnnotationTypes(annotationType).contains('org.springframework.boot.autoconfigure.ImportAutoConfiguration')
+	metadata.getMetaAnnotationTypes(annotationType)?.contains('org.springframework.boot.autoconfigure.ImportAutoConfiguration')
 }
 
 void writeTestSlicesTable(List<TestSlice> testSlices) {