diff --git a/Ghidra/Debug/Debugger-agent-dbgeng/src/main/java/agent/dbgeng/manager/cmd/DbgLaunchProcessCommand.java b/Ghidra/Debug/Debugger-agent-dbgeng/src/main/java/agent/dbgeng/manager/cmd/DbgLaunchProcessCommand.java
index 455c2beebc..66289d9687 100644
--- a/Ghidra/Debug/Debugger-agent-dbgeng/src/main/java/agent/dbgeng/manager/cmd/DbgLaunchProcessCommand.java
+++ b/Ghidra/Debug/Debugger-agent-dbgeng/src/main/java/agent/dbgeng/manager/cmd/DbgLaunchProcessCommand.java
@@ -89,7 +89,9 @@ public class DbgLaunchProcessCommand extends AbstractDbgCommand<DbgThread> {
 		initialDirectory = fixPath(initialDirectory);
 		environment = fixPath(environment);
 		// NB: The intent here is to enable multi-line input via a single dialog field
-		environment = environment.replace("\\0", "\0");
+		if (environment != null) {
+			environment = environment.replace("\\0", "\0");
+		}
 
 		dbgeng.createProcess(dbgeng.getLocalServer(), StringUtils.join(newArgs, " "),
 			initialDirectory, environment, createFlags, engCreateFlags, verifierFlags);