diff --git a/src/cmd/cmdlaunch.rb.in b/src/cmd/cmdlaunch.rb.in
index 0e44e756..6f28304e 100755
--- a/src/cmd/cmdlaunch.rb.in
+++ b/src/cmd/cmdlaunch.rb.in
@@ -14,8 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'open3'
-
 # Constants.
 LIBRARY_VERSION = '@PROJECT_VERSION_FULL@'
 COMMANDS = {
@@ -50,16 +48,6 @@ class Cmd
     end
 
     # Drop command from list of arguments
-    Open3.popen2e(exe_name, *args[1..-1]) do |_in, out_err, wait_thr|
-      begin
-        out_err.each do |line|
-          print line
-        end
-        exit(wait_thr.value.exitstatus)
-      rescue Interrupt => e
-        print e.message
-        exit(-1)
-      end
-    end
+    exec(exe_name, *args[1..-1])
   end
 end