diff --git a/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/interceptor/validation/address/impl/LoquateAddressValidator.java b/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/interceptor/validation/address/impl/LoquateAddressValidator.java
index 359ba3ccb28..563cf2af0b7 100644
--- a/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/interceptor/validation/address/impl/LoquateAddressValidator.java
+++ b/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/interceptor/validation/address/impl/LoquateAddressValidator.java
@@ -106,7 +106,7 @@ public class LoquateAddressValidator extends BaseRestfulValidator {
 
 	protected boolean isValid(JsonNode theMatch) {
 		String addressQualityIndex = getField(theMatch, LOQUATE_AQI);
-		return "A".equals(addressQualityIndex) || "B".equals(addressQualityIndex);
+		return "A".equals(addressQualityIndex) || "B".equals(addressQualityIndex) || "C".equals(addressQualityIndex);
 	}
 
 	private String getField(JsonNode theMatch, String theFieldName) {
diff --git a/hapi-fhir-structures-r4/src/test/java/ca/uhn/fhir/rest/server/interceptor/validation/address/impl/LoquateAddressValidatorTest.java b/hapi-fhir-structures-r4/src/test/java/ca/uhn/fhir/rest/server/interceptor/validation/address/impl/LoquateAddressValidatorTest.java
index d371977b3a5..e09a37178af 100644
--- a/hapi-fhir-structures-r4/src/test/java/ca/uhn/fhir/rest/server/interceptor/validation/address/impl/LoquateAddressValidatorTest.java
+++ b/hapi-fhir-structures-r4/src/test/java/ca/uhn/fhir/rest/server/interceptor/validation/address/impl/LoquateAddressValidatorTest.java
@@ -63,7 +63,7 @@ class LoquateAddressValidatorTest {
 		"    },\n" +
 		"    \"Matches\": [\n" +
 		"      {\n" +
-		"        \"AQI\": \"C\",\n" +
+		"        \"AQI\": \"D\",\n" +
 		"        \"Address\": \"\"\n" +
 		"      }\n" +
 		"    ]\n" +