diff --git a/config-index/deployment/src/main/java/apicurio/common/app/components/config/index/deployment/ConfigIndexProcessor.java b/config-index/deployment/src/main/java/apicurio/common/app/components/config/index/deployment/ConfigIndexProcessor.java
index 82cd4a4..f1dafcf 100644
--- a/config-index/deployment/src/main/java/apicurio/common/app/components/config/index/deployment/ConfigIndexProcessor.java
+++ b/config-index/deployment/src/main/java/apicurio/common/app/components/config/index/deployment/ConfigIndexProcessor.java
@@ -37,9 +37,13 @@
 import io.quarkus.deployment.annotations.ExecutionTime;
 import io.quarkus.deployment.annotations.Record;
 import io.quarkus.runtime.RuntimeValue;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 class ConfigIndexProcessor {
 
+    private static final Logger log = LoggerFactory.getLogger(ConfigIndexProcessor.class);
+
     @BuildStep
     @Record(ExecutionTime.RUNTIME_INIT)
     void syntheticBean(DynamicPropertiesInfoRecorder recorder, BeanDiscoveryFinishedBuildItem beanDiscovery, BuildProducer<SyntheticBeanBuildItem> syntheticBeans) {
@@ -78,6 +82,9 @@ void syntheticBean(DynamicPropertiesInfoRecorder recorder, BeanDiscoveryFinished
 
                         return def;
                     } catch (Exception e) {
+                        if (e.getMessage().contains("Not a parameterized type")) {
+                            log.error("Invalid type for @Dynamic config property (must be Supplier<Type>)");
+                        }
                         throw new RuntimeException(e);
                     }
                 })