diff --git a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java
index 7dcd5ed99..bf34be42f 100644
--- a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java
+++ b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java
@@ -574,7 +574,7 @@ public class StructureDefinitionValidator extends BaseValidator {
                   fpe.checkOnTypes(vc, rootPath, types, fpe.parse(exp), warnings);
                 } else {
                   StructureDefinition sd = context.fetchTypeDefinition(rootPath);
-                  if (sd != null) {
+                  if (sd != null && sd.getKind() == StructureDefinitionKind.RESOURCE) {
                     fpe.checkOnTypes(vc, rootPath, types, fpe.parse(exp), warnings);
                   } else {
                     fpe.checkOnTypes(vc, "DomainResource", types, fpe.parse(exp), warnings);