diff --git a/files/src/main/java/de/srsoftware/umbrella/files/FileModule.java b/files/src/main/java/de/srsoftware/umbrella/files/FileModule.java
index 189eda07..0d1ec11a 100644
--- a/files/src/main/java/de/srsoftware/umbrella/files/FileModule.java
+++ b/files/src/main/java/de/srsoftware/umbrella/files/FileModule.java
@@ -60,8 +60,8 @@ public class FileModule extends BaseHandler implements FileService {
 		var dest = source+".svg";
 		String[] command = {"dia","-e",dest,source.toString()};
 		try {
-			Runtime.getRuntime().exec(command);
-		} catch (IOException e) {
+			Runtime.getRuntime().exec(command).waitFor();
+		} catch (IOException | InterruptedException e) {
 			LOG.log(WARNING,"Failed to convert {} to SVG file",source,e);
 		}