diff --git a/gdb/testsuite/gdb.base/wchar.exp b/gdb/testsuite/gdb.base/wchar.exp
index 1a5a2d4..171385b 100644
--- a/gdb/testsuite/gdb.base/wchar.exp
+++ b/gdb/testsuite/gdb.base/wchar.exp
@@ -24,6 +24,19 @@ if ![runto "wchar.c:$bp_location" ] then {
   return -1
 }
 
+# This test requires wide character support in GDB.
+# Setting the charset may fail if GDB was configured without
+# ICONV support.
+gdb_test_multiple "set target-wide-charset UTF-32" "" {
+    -re "Undefined item.*$gdb_prompt " {
+	unsupported "Unknown charset UTF-32"
+	return -1
+    }
+    -re ".*$gdb_prompt " {
+	pass "set target-wide-charset UTF-32"
+    }
+}
+
 gdb_test "print narrow" "= 97 L'a'"
 
 gdb_test "print single" "= 48879 L'\\\\xbeef'"