diff --git a/core/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/function/FunctionConfiguration.java b/core/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/function/FunctionConfiguration.java
index 43b13f1a9..267fe9bd8 100644
--- a/core/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/function/FunctionConfiguration.java
+++ b/core/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/function/FunctionConfiguration.java
@@ -453,7 +453,8 @@ public class FunctionConfiguration {
 				}
 				if (StringUtils.hasText(functionDefinition) && !shouldNotProcess) {
 					FunctionInvocationWrapper function = functionCatalog.lookup(functionDefinition);
-					if (function != null && !function.isSupplier()) {
+
+					if (function != null && !function.isSupplier() && functionDefinition.equals(function.getFunctionDefinition())) {
 						this.bindFunctionToDestinations(bindableProxyFactory, functionDefinition);
 					}
 				}