diff --git a/include/Utils.awk b/include/Utils.awk
index df1cfdff..f2f11eed 100644
--- a/include/Utils.awk
+++ b/include/Utils.awk
@@ -211,11 +211,10 @@ function base64(text,    command, temp) {
     return temp
 }
 
-# Print a Unicode-escaped string. (GNU only)
-# FIXME: find a BSD/macOS equivalent
+# Print a Unicode-escaped string. (requires GNU Bash)
 # NOTE: can only be ran once for each text! Build a cache.
 function uprintf(text,    command, temp) {
-    command = "printf"
-    (command " -- " parameterize(text) | getline temp)
+    command = "echo -en " parameterize(text)
+    ("bash -c " parameterize(command, "\"")) | getline temp
     return temp
 }
diff --git a/test/TestUtils.awk b/test/TestUtils.awk
index 8a463c23..08bb2e9e 100644
--- a/test/TestUtils.awk
+++ b/test/TestUtils.awk
@@ -65,10 +65,10 @@ BEGIN {
         assertEqual(base64("ninja"), "bmluamE=")
     }
 
-    #T("uprintf", 1)
-    #{
-    #    assertEqual(uprintf("Ma\\u00f1ana"), "Mañana")
-    #}
+    T("uprintf", 1)
+    {
+        assertEqual(uprintf("Ma\\u00f1ana"), "Mañana")
+    }
 
     END_TEST()
 }