diff --git a/src/doc-printer.js b/src/doc-printer.js
index ac6747ec..d78101d4 100644
--- a/src/doc-printer.js
+++ b/src/doc-printer.js
@@ -284,10 +284,12 @@ function printDocToString(doc, options) {
                     out.pop();
                   }
 
-                  out[out.length - 1] = out[out.length - 1].replace(
-                    /[^\S\n]*$/,
-                    ""
-                  );
+                  if (out.length) {
+                    out[out.length - 1] = out[out.length - 1].replace(
+                      /[^\S\n]*$/,
+                      ""
+                    );                    
+                  }
                 }
 
                 let length = ind.indent * options.tabWidth + ind.align.spaces;
diff --git a/tests/empty/__snapshots__/jsfmt.spec.js.snap b/tests/empty/__snapshots__/jsfmt.spec.js.snap
new file mode 100644
index 00000000..874fa35e
--- /dev/null
+++ b/tests/empty/__snapshots__/jsfmt.spec.js.snap
@@ -0,0 +1,8 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`empty.js 1`] = `
+;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+
+`;
diff --git a/tests/empty/empty.js b/tests/empty/empty.js
new file mode 100644
index 00000000..092bc2b0
--- /dev/null
+++ b/tests/empty/empty.js
@@ -0,0 +1 @@
+;
diff --git a/tests/empty/jsfmt.spec.js b/tests/empty/jsfmt.spec.js
new file mode 100644
index 00000000..989047bc
--- /dev/null
+++ b/tests/empty/jsfmt.spec.js
@@ -0,0 +1 @@
+run_spec(__dirname);