diff --git a/core/deployment/src/main/java/io/quarkus/deployment/configuration/RunTimeConfigurationGenerator.java b/core/deployment/src/main/java/io/quarkus/deployment/configuration/RunTimeConfigurationGenerator.java
index 9427194fd7f49c..6e3f49ea9d1d0c 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/configuration/RunTimeConfigurationGenerator.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/configuration/RunTimeConfigurationGenerator.java
@@ -1310,10 +1310,7 @@ private MethodDescriptor generateParserBody(final ConfigPatternMap<Container> ke
                         if (matched instanceof FieldContainer) {
                             final FieldContainer fieldContainer = (FieldContainer) matched;
                             if (dynamic) {
-                                if (!itemMember.getPropertyName().isEmpty()) {
-                                    // consume segment
-                                    matchedBody.invokeVirtualMethod(NI_PREVIOUS, keyIter);
-                                }
+                                generateConsumeSegments(matchedBody, keyIter, itemMember.getPropertyName());
                                 // we have to get or create all containing (and contained) groups of this member
                                 matchedBody.invokeStaticMethod(generateGetEnclosing(fieldContainer, type), keyIter,
                                         config);
@@ -1467,10 +1464,7 @@ private MethodDescriptor generateGetEnclosing(final FieldContainer matchNode, fi
                     // get the parent
                     final FieldContainer fieldContainer = (FieldContainer) parent;
                     final ClassDefinition.ClassMember classMember = fieldContainer.getClassMember();
-                    if (!classMember.getPropertyName().isEmpty()) {
-                        // consume segment
-                        mc.invokeVirtualMethod(NI_PREVIOUS, keyIter);
-                    }
+                    generateConsumeSegments(mc, keyIter, classMember.getPropertyName());
                     final ResultHandle enclosing = mc.invokeStaticMethod(generateGetEnclosing(fieldContainer, type),
                             keyIter, config);
 
@@ -1576,10 +1570,7 @@ private MethodDescriptor generateGetEnclosing(final MapContainer matchNode, fina
                 if (parent instanceof FieldContainer) {
                     // get the parent
                     final FieldContainer fieldContainer = (FieldContainer) parent;
-                    if (!fieldContainer.getClassMember().getPropertyName().isEmpty()) {
-                        // consume segment
-                        mc.invokeVirtualMethod(NI_PREVIOUS, keyIter);
-                    }
+                    generateConsumeSegments(mc, keyIter, fieldContainer.getClassMember().getPropertyName());
                     final ResultHandle enclosing = mc.invokeStaticMethod(generateGetEnclosing(fieldContainer, type),
                             keyIter, config);
                     if (!fieldContainer.getClassMember().getPropertyName().isEmpty()) {
@@ -1619,6 +1610,20 @@ private MethodDescriptor generateGetEnclosing(final MapContainer matchNode, fina
             return md;
         }
 
+        private void generateConsumeSegments(BytecodeCreator bc, ResultHandle keyIter, String propertyName) {
+            if (propertyName.isEmpty()) {
+                return;
+            }
+            bc.invokeVirtualMethod(NI_PREVIOUS, keyIter);
+            // For properties whose name contains dots,
+            // we need to call previous() multiple times
+            int dotIndex = propertyName.indexOf('.');
+            while (dotIndex >= 0) {
+                bc.invokeVirtualMethod(NI_PREVIOUS, keyIter);
+                dotIndex = propertyName.indexOf('.', dotIndex + 1);
+            }
+        }
+
         private FieldDescriptor getOrCreateConverterInstance(Field field) {
             return getOrCreateConverterInstance(field, ConverterType.of(field));
         }