diff --git a/client/src/main/java/ctbrec/ui/DesktopIntegration.java b/client/src/main/java/ctbrec/ui/DesktopIntegration.java
index 7673458b..440faeee 100644
--- a/client/src/main/java/ctbrec/ui/DesktopIntegration.java
+++ b/client/src/main/java/ctbrec/ui/DesktopIntegration.java
@@ -66,7 +66,8 @@ public class DesktopIntegration {
             var externalHelpers = new String[]{"kde-open5", "kde-open", "gnome-open", "xdg-open"};
             for (String helper : externalHelpers) {
                 try {
-                    rt.exec(helper + " " + uri);
+                    ProcessBuilder pb = new ProcessBuilder(helper, uri);
+                    pb.start();
                     return;
                 } catch (IOException e) {
                     LOG.debug("Couldn't open URL with {} {}", helper, uri);
@@ -116,10 +117,10 @@ public class DesktopIntegration {
 
         // try external helpers
         var externalHelpers = new String[]{"kde-open5", "kde-open", "gnome-open", "xdg-open"};
-        var rt = Runtime.getRuntime();
         for (String helper : externalHelpers) {
             try {
-                rt.exec(helper + " " + f.getAbsolutePath());
+                ProcessBuilder pb = new ProcessBuilder(helper, f.getAbsolutePath());
+                pb.start();
                 return;
             } catch (IOException e) {
                 LOG.debug("Couldn't open file with {} {}", helper, f);