diff --git a/openapi-validation-core/src/main/java/com/getyourguide/openapi/validation/core/OpenApiInteractionValidatorFactory.java b/openapi-validation-core/src/main/java/com/getyourguide/openapi/validation/core/OpenApiInteractionValidatorFactory.java
index 7da3cea..c3614a6 100644
--- a/openapi-validation-core/src/main/java/com/getyourguide/openapi/validation/core/OpenApiInteractionValidatorFactory.java
+++ b/openapi-validation-core/src/main/java/com/getyourguide/openapi/validation/core/OpenApiInteractionValidatorFactory.java
@@ -60,6 +60,12 @@ private MultipleSpecOpenApiInteractionValidatorWrapper buildMultipleSpecOpenApiI
             })
             .filter(Objects::nonNull)
             .collect(Collectors.toList());
+
+        if (validators.isEmpty()) {
+            log.info("OpenAPI spec file(s) could not be found [validation disabled]");
+            return null;
+        }
+
         return new MultipleSpecOpenApiInteractionValidatorWrapper(validators);
     }