diff --git a/src/main/java/rife/bld/operations/AbstractProcessOperation.java b/src/main/java/rife/bld/operations/AbstractProcessOperation.java
index d23bea1..7c85a89 100644
--- a/src/main/java/rife/bld/operations/AbstractProcessOperation.java
+++ b/src/main/java/rife/bld/operations/AbstractProcessOperation.java
@@ -85,6 +85,8 @@ public abstract class AbstractProcessOperation<T extends AbstractProcessOperatio
         var builder = new ProcessBuilder(executeConstructProcessCommandList());
         builder.directory(workDirectory());
 
+        builder.redirectInput(ProcessBuilder.Redirect.INHERIT);
+
         final var output_processor = outputProcessor();
         if (output_processor == null) {
             builder.redirectOutput(ProcessBuilder.Redirect.INHERIT);