diff --git a/core/src/main/java/io/xpipe/core/process/ShellDialect.java b/core/src/main/java/io/xpipe/core/process/ShellDialect.java
index 256aa9276..889130c63 100644
--- a/core/src/main/java/io/xpipe/core/process/ShellDialect.java
+++ b/core/src/main/java/io/xpipe/core/process/ShellDialect.java
@@ -138,6 +138,8 @@ public interface ShellDialect {
 
     String getPrintExitCodeCommand(String prefix, String suffix);
 
+    int assignMissingExitCode();
+
     default String getPrintEnvironmentVariableCommand(String name) {
         return getPrintVariableCommand(name);
     }