diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultGenerator.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultGenerator.java
index d59f67a4096d..665b6dfd5dda 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultGenerator.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultGenerator.java
@@ -151,7 +151,11 @@ public class DefaultGenerator extends AbstractGenerator implements Generator {
         }
         if (info.getVersion() != null) {
             config.additionalProperties().put("appVersion", config.escapeText(info.getVersion()));
+        } else {
+            LOGGER.error("Missing required field info version. Default appVersion set to 1.0.0");
+            config.additionalProperties().put("appVersion", "1.0.0");
         }
+        
         if (StringUtils.isEmpty(info.getDescription())) {
             // set a default description if none if provided
             config.additionalProperties().put("appDescription",
@@ -180,6 +184,9 @@ public class DefaultGenerator extends AbstractGenerator implements Generator {
         }
         if (info.getVersion() != null) {
             config.additionalProperties().put("version", config.escapeText(info.getVersion()));
+        } else {
+            LOGGER.error("Missing required field info version. Default version set to 1.0.0");
+            config.additionalProperties().put("version", "1.0.0");
         }
         if (info.getTermsOfService() != null) {
             config.additionalProperties().put("termsOfService", config.escapeText(info.getTermsOfService()));