diff --git a/lisp/langs/org-babel-python.el b/lisp/langs/org-babel-python.el
index a1ef15403..278ea6430 100644
--- a/lisp/langs/org-babel-python.el
+++ b/lisp/langs/org-babel-python.el
@@ -115,7 +115,7 @@ last statement in BODY."
                                  (list body org-babel-python-last-value-eval org-babel-python-eoe-indicator) "\n"))
            (raw (org-babel-comint-with-output buffer org-babel-python-eoe-indicator t
                   ;; for some reason python is fussy, and likes enters after every input
-                  (mapc (lambda (statement) (insert statement) (comint-send-input))
+                  (mapc (lambda (statement) (insert statement) (comint-send-input nil t))
                         (split-string full-body "[\r\n]+"))))
            (results (delete org-babel-python-eoe-indicator
                             (cdr (member org-babel-python-eoe-indicator
diff --git a/lisp/langs/org-babel-ruby.el b/lisp/langs/org-babel-ruby.el
index a36b1d7f0..a1ca2ee44 100644
--- a/lisp/langs/org-babel-ruby.el
+++ b/lisp/langs/org-babel-ruby.el
@@ -104,7 +104,7 @@ last statement in BODY."
   (let* ((full-body (mapconcat #'org-babel-chomp
                                (list body org-babel-ruby-last-value-eval org-babel-ruby-eoe-indicator) "\n"))
          (raw (org-babel-comint-with-output buffer org-babel-ruby-eoe-indicator t
-                (insert full-body) (comint-send-input)))
+                (insert full-body) (comint-send-input nil t)))
          (results (cdr (member org-babel-ruby-eoe-indicator
                                (reverse (mapcar #'org-babel-ruby-read-string
                                                 (mapcar #'org-babel-trim raw)))))))
diff --git a/lisp/langs/org-babel-shell.el b/lisp/langs/org-babel-shell.el
index 389ab4ade..2fa7db4ab 100644
--- a/lisp/langs/org-babel-shell.el
+++ b/lisp/langs/org-babel-shell.el
@@ -95,6 +95,7 @@ then create.  Return the initialized session."
     (let* ((session (if session (intern session) :default))
            (shell-buffer (org-babel-shell-session-buffer session))
            (newp (not (org-babel-comint-buffer-livep shell-buffer))))
+      (message "initiating shell buffer %S" shell-buffer)
       (shell shell-buffer)
       (when newp
         (setq shell-buffer (current-buffer))
@@ -115,7 +116,7 @@ last statement in BODY."
   (let* ((full-body (mapconcat #'org-babel-chomp
                                (list body org-babel-shell-eoe-indicator) "\n"))
          (raw (org-babel-comint-with-output buffer org-babel-shell-eoe-output nil
-                (insert full-body) (comint-send-input)))
+                (insert full-body) (comint-send-input nil t)))
          (results (cdr (member org-babel-shell-eoe-output
                                     (reverse (mapcar #'org-babel-shell-strip-weird-long-prompt
                                                      (mapcar #'org-babel-trim raw)))))))