diff --git a/lisp/ox.el b/lisp/ox.el
index 26fbfdaad..b7751a727 100644
--- a/lisp/ox.el
+++ b/lisp/ox.el
@@ -2919,56 +2919,47 @@ returned by the function."
       '(entity bold italic latex-environment latex-fragment strike-through
 	       subscript superscript underline)
     (lambda (datum)
-      (let ((new
-	     (cl-case (org-element-type datum)
-	       ;; ... entities...
-	       (entity
-		(and (not (plist-get info :with-entities))
-		     (list (concat
-			    (org-export-expand datum nil)
-			    (make-string
-			     (or (org-element-property :post-blank datum) 0)
-			     ?\s)))))
-	       ;; ... emphasis...
-	       ((bold italic strike-through underline)
-		(and (not (plist-get info :with-emphasize))
-		     (let ((marker (cl-case (org-element-type datum)
-				     (bold "*")
-				     (italic "/")
-				     (strike-through "+")
-				     (underline "_"))))
-		       (append
-			(list marker)
-			(org-element-contents datum)
-			(list (concat
-			       marker
-			       (make-string
-				(or (org-element-property :post-blank datum)
-				    0)
-				?\s)))))))
-	       ;; ... LaTeX environments and fragments...
-	       ((latex-environment latex-fragment)
-		(and (eq (plist-get info :with-latex) 'verbatim)
-		     (list (org-export-expand datum nil))))
-	       ;; ... sub/superscripts...
-	       ((subscript superscript)
-		(let ((sub/super-p (plist-get info :with-sub-superscript))
-		      (bracketp (org-element-property :use-brackets-p datum)))
-		  (and (or (not sub/super-p)
-			   (and (eq sub/super-p '{}) (not bracketp)))
-		       (append
-			(list (concat
-			       (if (eq (org-element-type datum) 'subscript)
-				   "_"
-				 "^")
-			       (and bracketp "{")))
-			(org-element-contents datum)
-			(list (concat
-			       (and bracketp "}")
-			       (and (org-element-property :post-blank datum)
-				    (make-string
-				     (org-element-property :post-blank datum)
-				     ?\s)))))))))))
+      (let* ((type (org-element-type datum))
+	     (post-blank
+	      (pcase (org-element-property :post-blank datum)
+		(`nil nil)
+		(n (make-string n (if (eq type 'latex-environment) ?\n ?\s)))))
+	     (new
+	      (cl-case type
+		;; ... entities...
+		(entity
+		 (and (not (plist-get info :with-entities))
+		      (list (concat (org-export-expand datum nil)
+				    post-blank))))
+		;; ... emphasis...
+		((bold italic strike-through underline)
+		 (and (not (plist-get info :with-emphasize))
+		      (let ((marker (cl-case type
+				      (bold "*")
+				      (italic "/")
+				      (strike-through "+")
+				      (underline "_"))))
+			(append
+			 (list marker)
+			 (org-element-contents datum)
+			 (list (concat marker post-blank))))))
+		;; ... LaTeX environments and fragments...
+		((latex-environment latex-fragment)
+		 (and (eq (plist-get info :with-latex) 'verbatim)
+		      (list (concat (org-export-expand datum nil)
+				    post-blank))))
+		;; ... sub/superscripts...
+		((subscript superscript)
+		 (let ((sub/super-p (plist-get info :with-sub-superscript))
+		       (bracketp (org-element-property :use-brackets-p datum)))
+		   (and (or (not sub/super-p)
+			    (and (eq sub/super-p '{}) (not bracketp)))
+			(append
+			 (list (concat (if (eq type 'subscript) "_" "^")
+				       (and bracketp "{")))
+			 (org-element-contents datum)
+			 (list (concat (and bracketp "}")
+				       post-blank)))))))))
 	(when new
 	  ;; Splice NEW at DATUM location in parse tree.
 	  (dolist (e new (org-element-extract-element datum))