diff --git a/extensions/flyway/deployment/src/test/java/io/quarkus/flyway/test/FlywayMultiDataSourcesDevModeTest.java b/extensions/flyway/deployment/src/test/java/io/quarkus/flyway/test/FlywayMultiDataSourcesDevModeTest.java
new file mode 100644
index 00000000000000..2d0482cfe55227
--- /dev/null
+++ b/extensions/flyway/deployment/src/test/java/io/quarkus/flyway/test/FlywayMultiDataSourcesDevModeTest.java
@@ -0,0 +1,83 @@
+package io.quarkus.flyway.test;
+
+import static org.hamcrest.CoreMatchers.containsString;
+
+import java.util.Arrays;
+import java.util.stream.Collectors;
+
+import javax.inject.Inject;
+import javax.ws.rs.DefaultValue;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+
+import org.flywaydb.core.Flyway;
+import org.flywaydb.core.api.Location;
+import org.flywaydb.core.api.configuration.Configuration;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.spec.JavaArchive;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+import io.quarkus.flyway.FlywayDataSource;
+import io.quarkus.test.QuarkusDevModeTest;
+import io.restassured.RestAssured;
+
+// see https://github.com/quarkusio/quarkus/issues/9415
+public class FlywayMultiDataSourcesDevModeTest {
+
+    @RegisterExtension
+    static final QuarkusDevModeTest config = new QuarkusDevModeTest()
+            .setArchiveProducer(() -> ShrinkWrap.create(JavaArchive.class)
+                    .addClasses(Endpoint.class)
+                    .addAsResource("config-for-multiple-datasources.properties", "application.properties"));
+
+    @Test
+    public void testProperConfigApplied() {
+        RestAssured.get("/fly").then()
+                .statusCode(200)
+                .body(containsString("db/location1,db/location2"));
+
+        RestAssured.get("/fly?name=users").then()
+                .statusCode(200)
+                .body(containsString("db/users/location1,db/users/location2"));
+
+        RestAssured.get("/fly?name=inventory").then()
+                .statusCode(200)
+                .body(containsString("db/inventory/location1,db/inventory/location"));
+    }
+
+    @Path("/fly")
+    public static class Endpoint {
+
+        @Inject
+        Flyway flywayDefault;
+
+        @Inject
+        @FlywayDataSource("users")
+        Flyway flywayUsers;
+
+        @Inject
+        @FlywayDataSource("inventory")
+        Flyway flywayInventory;
+
+        @GET
+        @Produces("text/plain")
+        public String locations(@QueryParam("name") @DefaultValue("default") String name) {
+            Configuration configuration;
+            if ("default".equals(name)) {
+                configuration = flywayDefault.getConfiguration();
+            } else if ("users".equals(name)) {
+                configuration = flywayUsers.getConfiguration();
+            } else if ("inventory".equals(name)) {
+                configuration = flywayInventory.getConfiguration();
+            } else {
+                throw new RuntimeException("Flyway " + name + " not found");
+            }
+
+            return Arrays.stream(configuration.getLocations()).map(Location::getPath).collect(Collectors.joining(","));
+        }
+
+    }
+}