diff --git a/src/reflaxe/output/OutputManager.hx b/src/reflaxe/output/OutputManager.hx
index 10a3d1d..453e35a 100644
--- a/src/reflaxe/output/OutputManager.hx
+++ b/src/reflaxe/output/OutputManager.hx
@@ -204,7 +204,7 @@ class OutputManager {
 			}
 		}
 
-		if(outputDir.length > 0) {
+		if(outputDir != null && outputDir.length > 0) {
 			ensureOutputDirExists();
 		}