diff --git a/tests/fixtures/control_character.js b/tests/fixtures/control_character.js
new file mode 100644
index 0000000..e34b164
--- /dev/null
+++ b/tests/fixtures/control_character.js
@@ -0,0 +1,5 @@
+var x = 10;
+if (x == 5) {
+    alert('');
+    alert('–');
+}
diff --git a/tests/fixtures/control_character.min.js b/tests/fixtures/control_character.min.js
new file mode 100644
index 0000000..c0a7ffd
--- /dev/null
+++ b/tests/fixtures/control_character.min.js
@@ -0,0 +1 @@
+var x=10;if(x==5){alert("");alert("–")}
\ No newline at end of file
diff --git a/tests/fixtures/control_character.min.map b/tests/fixtures/control_character.min.map
new file mode 100644
index 0000000..a950e83
--- /dev/null
+++ b/tests/fixtures/control_character.min.map
@@ -0,0 +1 @@
+{"version":3,"sources":["control_character.js"],"names":["x","alert"],"mappings":"AAAA,IAAIA,EAAI,GACR,GAAIA,GAAK,EAAG,CACRC,MAAM,KACNA,MAAM","sourcesContent":["var x = 10;\nif (x == 5) {\n    alert('\u0013');\n    alert('–');\n}\n"]}
\ No newline at end of file
diff --git a/tests/test_integration.py b/tests/test_integration.py
index 8755076..b406a34 100644
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -65,3 +65,9 @@ def test_unicode_names(self):
 
         # This shouldn't blow up
         sourcemap.loads(min_map)
+
+    def test_control_characters(self):
+        _, _, min_map = self.get_fixtures('control_character')
+
+        # This shouldn't blow up
+        sourcemap.loads(min_map)