diff --git a/spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/AbstractJdbcCall.java b/spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/AbstractJdbcCall.java
index 2856f54985..e41f625ec5 100644
--- a/spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/AbstractJdbcCall.java
+++ b/spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/AbstractJdbcCall.java
@@ -248,6 +248,10 @@ public abstract class AbstractJdbcCall {
 	 * @param parameter the {@link SqlParameter} to add
 	 */
 	public void addDeclaredParameter(SqlParameter parameter) {
+		if (isCompiled()) {
+			throw new IllegalStateException("SqlCall for " + (isFunction() ? "function" : "procedure") +
+					" is already compiled");
+		}
 		Assert.notNull(parameter, "The supplied parameter must not be null");
 		if (!StringUtils.hasText(parameter.getName())) {
 			throw new InvalidDataAccessApiUsageException(
@@ -265,6 +269,10 @@ public abstract class AbstractJdbcCall {
 	 * @param rowMapper the RowMapper implementation to use
 	 */
 	public void addDeclaredRowMapper(String parameterName, RowMapper<?> rowMapper) {
+		if (isCompiled()) {
+			throw new IllegalStateException("SqlCall for " + (isFunction() ? "function" : "procedure") +
+					" is already compiled");
+		}
 		this.declaredRowMappers.put(parameterName, rowMapper);
 		if (logger.isDebugEnabled()) {
 			logger.debug("Added row mapper for [" + getProcedureName() + "]: " + parameterName);
diff --git a/spring-jdbc/src/test/java/org/springframework/jdbc/core/simple/SimpleJdbcCallTests.java b/spring-jdbc/src/test/java/org/springframework/jdbc/core/simple/SimpleJdbcCallTests.java
index 9d4342a785..064928f1dc 100644
--- a/spring-jdbc/src/test/java/org/springframework/jdbc/core/simple/SimpleJdbcCallTests.java
+++ b/spring-jdbc/src/test/java/org/springframework/jdbc/core/simple/SimpleJdbcCallTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,17 +25,20 @@ import java.sql.Types;
 
 import javax.sql.DataSource;
 
+import org.assertj.core.api.InstanceOfAssertFactories;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.dao.InvalidDataAccessApiUsageException;
 import org.springframework.jdbc.BadSqlGrammarException;
+import org.springframework.jdbc.core.RowMapper;
 import org.springframework.jdbc.core.SqlOutParameter;
 import org.springframework.jdbc.core.SqlParameter;
 import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
 import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.mock;
@@ -360,4 +363,37 @@ class SimpleJdbcCallTests {
 		verifyStatement(adder, "{call ADD_INVOICE(@AMOUNT = ?, @CUSTID = ?)}");
 	}
 
+	@Test
+	void declareParametersCannotBeInvokedWhenCompiled() {
+		SimpleJdbcCall call = new SimpleJdbcCall(dataSource)
+				.withProcedureName("procedure_name")
+				.declareParameters(new SqlParameter("PARAM", Types.VARCHAR));
+		call.compile();
+		assertThatIllegalStateException()
+				.isThrownBy(() -> call.declareParameters(new SqlParameter("Ignored Param", Types.VARCHAR)))
+				.withMessage("SqlCall for procedure is already compiled");
+	}
+
+	@Test
+	void addDeclaredRowMapperCanBeConfigured() {
+		SimpleJdbcCall call = new SimpleJdbcCall(dataSource)
+				.withProcedureName("procedure_name")
+				.returningResultSet("result_set", (rs, i) -> new Object());
+
+		assertThat(call).extracting("declaredRowMappers")
+				.asInstanceOf(InstanceOfAssertFactories.map(String.class, RowMapper.class))
+				.containsOnlyKeys("result_set");
+	}
+
+	@Test
+	void addDeclaredRowMapperWhenCompiled() {
+		SimpleJdbcCall call = new SimpleJdbcCall(dataSource)
+				.withProcedureName("procedure_name")
+				.returningResultSet("result_set", (rs, i) -> new Object());
+		call.compile();
+		assertThatIllegalStateException()
+				.isThrownBy(() -> call.returningResultSet("not added", (rs, i) -> new Object()))
+				.withMessage("SqlCall for procedure is already compiled");
+	}
+
 }