diff --git a/core/src/main/java/org/lflang/generator/docker/DockerComposeGenerator.java b/core/src/main/java/org/lflang/generator/docker/DockerComposeGenerator.java
index 9c859020c0..0b2addacdc 100644
--- a/core/src/main/java/org/lflang/generator/docker/DockerComposeGenerator.java
+++ b/core/src/main/java/org/lflang/generator/docker/DockerComposeGenerator.java
@@ -146,7 +146,7 @@ public void createLauncher() {
     } catch (IOException e) {
       messageReporter
           .nowhere()
-          .warning("Unable to write launcher to: " + file.getAbsolutePath() + " with error: " + e);
+          .warning("Unable to write launcher to " + file.getAbsolutePath() + " with error: " + e);
     }
 
     if (!file.setExecutable(true, false)) {