diff --git a/novelwriter/gui/doceditor.py b/novelwriter/gui/doceditor.py
index 99104c00..87c9e7cc 100644
--- a/novelwriter/gui/doceditor.py
+++ b/novelwriter/gui/doceditor.py
@@ -1750,6 +1750,7 @@ class GuiDocEditor(QTextEdit):
 
         # Remove existing format first, if any
         theText = theBlock.text()
+        hasText = len(theText) > 0
         if theText.startswith("@"):
             logger.error("Cannot apply block format to keyword/value line")
             return False
@@ -1855,7 +1856,7 @@ class GuiDocEditor(QTextEdit):
         posS = theCursor.selectionStart()
         theCursor.removeSelectedText()
         theCursor.setPosition(posS)
-        if posS > 0:
+        if posS > 0 and hasText:
             theCursor.insertBlock()
         theCursor.insertText(theText)
         if posO - cOffset >= 0: