diff --git a/src/rules.js b/src/rules.js
index 467818ebac..4299259964 100644
--- a/src/rules.js
+++ b/src/rules.js
@@ -93,22 +93,38 @@ block.normal = merge({}, block);
  */
 
 block.gfm = merge({}, block.normal, {
-  nptable: /^ *([^|\n ].*\|.*)\n *([-:]+ *\|[-| :]*)(?:\n((?:.*[^>\n ].*(?:\n|$))*)\n*|$)/,
+  nptable: '^ *([^|\\n ].*\\|.*)\\n' // Header
+    + ' *([-:]+ *\\|[-| :]*)' // Align
+    + '(?:\\n((?:(?!\\n|hr|heading|lheading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)', // Cells
   table: '^ *\\|(.+)\\n' // Header
     + ' *\\|?( *[-:]+[-| :]*)' // Align
-    + '(?:\\n((?:(?!^|>|\\n| |hr|heading|lheading|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells
+    + '(?:\\n *((?:(?!\\n|hr|heading|lheading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells
 });
 
+block.gfm.nptable = edit(block.gfm.nptable)
+  .replace('hr', block.hr)
+  .replace('heading', ' {0,3}#{1,6} ')
+  // .replace('lheading', '([^\\n]+)\\n {0,3}(=+|-+) *(?:\\n+|$)')
+  .replace('|lheading', '') // setex headings don't interrupt gfm tables
+  .replace('blockquote', ' {0,3}>')
+  .replace('code', ' {4}[^\\n]')
+  .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
+  .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
+  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
+  .replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
+  .getRegex();
+
 block.gfm.table = edit(block.gfm.table)
   .replace('hr', block.hr)
   .replace('heading', ' {0,3}#{1,6} ')
-  .replace('lheading', '([^\\n]+)\\n {0,3}(=+|-+) *(?:\\n+|$)')
+  // .replace('lheading', '([^\\n]+)\\n {0,3}(=+|-+) *(?:\\n+|$)')
+  .replace('|lheading', '') // setex headings don't interrupt gfm tables
   .replace('blockquote', ' {0,3}>')
   .replace('code', ' {4}[^\\n]')
   .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
   .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
   .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
-  .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
+  .replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
   .getRegex();
 
 /**