diff --git a/bin/github-markdown b/bin/github-markdown
index 32d3067..e480dc7 100755
--- a/bin/github-markdown
+++ b/bin/github-markdown
@@ -1,4 +1,4 @@
-#!node
+#!/usr/bin/env node
 // Converts a markdown file into an HTML file, writing it to stdout.
 // Uses the github API, so it outputs what you will see on github,
 // more or less. Some formatting I would have expected does not happen.
diff --git a/bin/github-markdownb b/bin/github-markdownb
index 1442710..37d5f3f 100755
--- a/bin/github-markdownb
+++ b/bin/github-markdownb
@@ -1,4 +1,4 @@
-#!node
+#!/usr/bin/env node
 // Converts a markdown file into an HTML file, writing it to a temp file.
 // Then invokes the default browser to open the temp file.
 //
diff --git a/bin/markdown b/bin/markdown
index 7dfb745..5f193ce 100755
--- a/bin/markdown
+++ b/bin/markdown
@@ -1,4 +1,4 @@
-#!node
+#!/usr/bin/env node
 // Converts a markdown file into an HTML file, writing it to stdout.
 //
 // Usage:
diff --git a/bin/markdownb b/bin/markdownb
index 7ba81cb..8826ccd 100755
--- a/bin/markdownb
+++ b/bin/markdownb
@@ -1,4 +1,4 @@
-#!node
+#!/usr/bin/env node
 // Converts a markdown file into an HTML file, writing it to a temp file.
 // Then invokes the default browser to open the temp file.
 //