diff --git a/.github/workflows/graalpy-micronaut-guide.yml b/.github/workflows/graalpy-micronaut-guide.yml
index d85dd593..36af5ddd 100644
--- a/.github/workflows/graalpy-micronaut-guide.yml
+++ b/.github/workflows/graalpy-micronaut-guide.yml
@@ -40,7 +40,7 @@ jobs:
         run: |
           cd graalpy/graalpy-micronaut-guide
           ./mvnw --no-transfer-progress clean package -DskipTests -Dpackaging=native-image
-          ./target/demo &
+          ./target/graalpy-micronaut &
           mnpid="$!"
           sleep 20
           curl -s -D - -o /dev/null http://localhost:8080/
diff --git a/.github/workflows/graalpy-spring-boot-guide.yml b/.github/workflows/graalpy-spring-boot-guide.yml
index 56d88a16..ddb61ca0 100644
--- a/.github/workflows/graalpy-spring-boot-guide.yml
+++ b/.github/workflows/graalpy-spring-boot-guide.yml
@@ -40,7 +40,7 @@ jobs:
         run: |
           cd graalpy/graalpy-spring-boot-guide
           ./mvnw --no-transfer-progress clean -DskipTests -Pnative native:compile
-          ./target/demo &
+          ./target/graalpyspringboot &
           sbpid="$!"
           sleep 20
           curl -s -D - -o /dev/null http://localhost:8080/