diff --git a/openapi/src/main/java/io/helidon/openapi/OpenAPISupport.java b/openapi/src/main/java/io/helidon/openapi/OpenAPISupport.java
index 5738e495bdc..401955c4c6e 100644
--- a/openapi/src/main/java/io/helidon/openapi/OpenAPISupport.java
+++ b/openapi/src/main/java/io/helidon/openapi/OpenAPISupport.java
@@ -562,12 +562,6 @@ private static class HelidonAnnotationScannerExtension implements AnnotationScan
 
         @Override
         public Object parseValue(String value) {
-            return parseExtension(null, value);
-        }
-
-        @Override
-        public Object parseExtension(String key, String value) {
-
             // Inspired by SmallRye's JsonUtil#parseValue method.
             if (value == null) {
                 return null;
@@ -599,10 +593,9 @@ public Object parseExtension(String key, String value) {
                         JsonValue jsonValue = reader.readValue();
                         return convertJsonValue(jsonValue);
                     } catch (Exception ex) {
-                        LOGGER.log(Level.SEVERE, String.format("Error parsing extension key: %s, value: %s", key, value), ex);
+                        LOGGER.log(Level.SEVERE, String.format("Error parsing value: %s", value), ex);
+                        throw ex;
                     }
-                    break;
-
                 default:
                     break;
             }
@@ -611,6 +604,18 @@ public Object parseExtension(String key, String value) {
             return value;
         }
 
+        @Override
+        public Object parseExtension(String key, String value) {
+            try {
+                return parseValue(value);
+            } catch (Exception ex) {
+                LOGGER.log(Level.SEVERE,
+                        String.format("Error parsing extension key: %s, value: %s", key, value),
+                        ex);
+                return null;
+            }
+        }
+
         private static Object convertJsonValue(JsonValue jsonValue) {
             switch (jsonValue.getValueType()) {
                 case ARRAY: