diff --git a/implementation/src/main/java/io/smallrye/config/inject/ConfigExtension.java b/implementation/src/main/java/io/smallrye/config/inject/ConfigExtension.java
index 89074e12e..cb5582254 100644
--- a/implementation/src/main/java/io/smallrye/config/inject/ConfigExtension.java
+++ b/implementation/src/main/java/io/smallrye/config/inject/ConfigExtension.java
@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package io.smallrye.config.inject;
 
 import static io.smallrye.config.inject.SecuritySupport.getContextClassLoader;
@@ -34,7 +33,6 @@
 import javax.enterprise.inject.Instance;
 import javax.enterprise.inject.spi.AfterBeanDiscovery;
 import javax.enterprise.inject.spi.AfterDeploymentValidation;
-import javax.enterprise.inject.spi.AnnotatedMember;
 import javax.enterprise.inject.spi.AnnotatedType;
 import javax.enterprise.inject.spi.BeanManager;
 import javax.enterprise.inject.spi.BeforeBeanDiscovery;
@@ -120,7 +118,7 @@ void validate(@Observes AfterDeploymentValidation adv) {
             }
 
             ConfigProperty configProperty = injectionPoint.getAnnotated().getAnnotation(ConfigProperty.class);
-            String name = getConfigKey(injectionPoint, configProperty);
+            String name = ConfigProducerUtil.getConfigKey(injectionPoint, configProperty);
 
             // Check if the name is part of the properties first. Since properties can be a subset, then search for the actual property for a value.
             if (!configNames.contains(name) && ConfigProducerUtil.getRawValue(name, (SmallRyeConfig) config) == null) {
@@ -142,27 +140,6 @@ void validate(@Observes AfterDeploymentValidation adv) {
         }
     }
 
-    static String getConfigKey(InjectionPoint ip, ConfigProperty configProperty) {
-        String key = configProperty.name();
-        if (!key.trim().isEmpty()) {
-            return key;
-        }
-        if (ip.getAnnotated() instanceof AnnotatedMember) {
-            AnnotatedMember member = (AnnotatedMember) ip.getAnnotated();
-            AnnotatedType declaringType = member.getDeclaringType();
-            if (declaringType != null) {
-                String[] parts = declaringType.getJavaClass().getCanonicalName().split("\\.");
-                StringBuilder sb = new StringBuilder(parts[0]);
-                for (int i = 1; i < parts.length; i++) {
-                    sb.append(".").append(parts[i]);
-                }
-                sb.append(".").append(member.getJavaMember().getName());
-                return sb.toString();
-            }
-        }
-        throw InjectionMessages.msg.noConfigPropertyDefaultName(ip);
-    }
-
     private static boolean isClassHandledByConfigProducer(Type requiredType) {
         return requiredType == String.class
                 || requiredType == Boolean.class
diff --git a/implementation/src/main/java/io/smallrye/config/inject/ConfigInjectionBean.java b/implementation/src/main/java/io/smallrye/config/inject/ConfigInjectionBean.java
index c7f80ddaa..b66907ee4 100644
--- a/implementation/src/main/java/io/smallrye/config/inject/ConfigInjectionBean.java
+++ b/implementation/src/main/java/io/smallrye/config/inject/ConfigInjectionBean.java
@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package io.smallrye.config.inject;
 
 import java.lang.annotation.Annotation;
@@ -86,7 +85,7 @@ public T create(CreationalContext<T> context) {
         InjectionPoint ip = (InjectionPoint) bm.getInjectableReference(new InjectionPointMetadataInjectionPoint(), context);
         Annotated annotated = ip.getAnnotated();
         ConfigProperty configProperty = annotated.getAnnotation(ConfigProperty.class);
-        String key = ConfigExtension.getConfigKey(ip, configProperty);
+        String key = ConfigProducerUtil.getConfigKey(ip, configProperty);
         String defaultValue = configProperty.defaultValue();
 
         if (annotated.getBaseType() instanceof ParameterizedType) {
diff --git a/implementation/src/main/java/io/smallrye/config/inject/ConfigProducerUtil.java b/implementation/src/main/java/io/smallrye/config/inject/ConfigProducerUtil.java
index d7f328564..c22c49bd4 100644
--- a/implementation/src/main/java/io/smallrye/config/inject/ConfigProducerUtil.java
+++ b/implementation/src/main/java/io/smallrye/config/inject/ConfigProducerUtil.java
@@ -12,6 +12,8 @@
 import java.util.Set;
 import java.util.function.Supplier;
 
+import javax.enterprise.inject.spi.AnnotatedMember;
+import javax.enterprise.inject.spi.AnnotatedType;
 import javax.enterprise.inject.spi.InjectionPoint;
 
 import org.eclipse.microprofile.config.Config;
@@ -120,13 +122,13 @@ public static String getName(InjectionPoint injectionPoint) {
         for (Annotation qualifier : injectionPoint.getQualifiers()) {
             if (qualifier.annotationType().equals(ConfigProperty.class)) {
                 ConfigProperty configProperty = ((ConfigProperty) qualifier);
-                return ConfigExtension.getConfigKey(injectionPoint, configProperty);
+                return getConfigKey(injectionPoint, configProperty);
             }
         }
         return null;
     }
 
-    private static String getDefaultValue(InjectionPoint injectionPoint) {
+    public static String getDefaultValue(InjectionPoint injectionPoint) {
         for (Annotation qualifier : injectionPoint.getQualifiers()) {
             if (qualifier.annotationType().equals(ConfigProperty.class)) {
                 String str = ((ConfigProperty) qualifier).defaultValue();
@@ -148,4 +150,25 @@ private static String getDefaultValue(InjectionPoint injectionPoint) {
         }
         return null;
     }
+
+    static String getConfigKey(InjectionPoint ip, ConfigProperty configProperty) {
+        String key = configProperty.name();
+        if (!key.trim().isEmpty()) {
+            return key;
+        }
+        if (ip.getAnnotated() instanceof AnnotatedMember) {
+            AnnotatedMember<?> member = (AnnotatedMember<?>) ip.getAnnotated();
+            AnnotatedType<?> declaringType = member.getDeclaringType();
+            if (declaringType != null) {
+                String[] parts = declaringType.getJavaClass().getCanonicalName().split("\\.");
+                StringBuilder sb = new StringBuilder(parts[0]);
+                for (int i = 1; i < parts.length; i++) {
+                    sb.append(".").append(parts[i]);
+                }
+                sb.append(".").append(member.getJavaMember().getName());
+                return sb.toString();
+            }
+        }
+        throw InjectionMessages.msg.noConfigPropertyDefaultName(ip);
+    }
 }