diff --git a/test/foptiattr-test.cpp b/test/foptiattr-test.cpp
index 36ff9613..c4ecdb11 100644
--- a/test/foptiattr-test.cpp
+++ b/test/foptiattr-test.cpp
@@ -1085,7 +1085,7 @@ void FOptiAttrTest::vt100Test()
   CPPUNIT_ASSERT_CSTRING ( oa.changeAttribute(from, to)
                          , CSI "0m\017$<2>" );
   CPPUNIT_ASSERT ( from == to );
-  CPPUNIT_ASSERT ( to.encoded_char == ' ' );
+  CPPUNIT_ASSERT ( to.encoded_char[0] == ' ' );
   CPPUNIT_ASSERT ( oa.changeAttribute(from, to) == 0 );
 
   // Invisible off (with default colors)
@@ -2028,7 +2028,7 @@ void FOptiAttrTest::rxvtTest()
   CPPUNIT_ASSERT_CSTRING ( oa.changeAttribute(from, to)
                          , CSI "0m\017" );
   CPPUNIT_ASSERT ( from == to );
-  CPPUNIT_ASSERT ( to.encoded_char == ' ' );
+  CPPUNIT_ASSERT ( to.encoded_char[0] == ' ' );
   CPPUNIT_ASSERT ( oa.changeAttribute(from, to) == 0 );
 
   // Invisible off (with default colors)
@@ -2498,7 +2498,7 @@ void FOptiAttrTest::linuxTest()
   CPPUNIT_ASSERT_CSTRING ( oa.changeAttribute(from, to)
                          , CSI "0m\017" );
   CPPUNIT_ASSERT ( from == to );
-  CPPUNIT_ASSERT ( to.encoded_char == ' ' );
+  CPPUNIT_ASSERT ( to.encoded_char[0] == ' ' );
   CPPUNIT_ASSERT ( oa.changeAttribute(from, to) == 0 );
 
   // Invisible off (with default colors)
@@ -2979,7 +2979,7 @@ void FOptiAttrTest::puttyTest()
   CPPUNIT_ASSERT_CSTRING ( oa.changeAttribute(from, to)
                          , CSI "0m\017" );
   CPPUNIT_ASSERT ( from == to );
-  CPPUNIT_ASSERT ( to.encoded_char == ' ' );
+  CPPUNIT_ASSERT ( to.encoded_char[0] == ' ' );
   CPPUNIT_ASSERT ( oa.changeAttribute(from, to) == 0 );
 
   // Invisible off (with default colors)
@@ -3450,7 +3450,7 @@ void FOptiAttrTest::teratermTest()
   CPPUNIT_ASSERT_CSTRING ( oa.changeAttribute(from, to)
                          , CSI "0m\017$<2>" );
   CPPUNIT_ASSERT ( from == to );
-  CPPUNIT_ASSERT ( to.encoded_char == ' ' );
+  CPPUNIT_ASSERT ( to.encoded_char[0] == ' ' );
   CPPUNIT_ASSERT ( oa.changeAttribute(from, to) == 0 );
 
   // Invisible off (with default colors)
@@ -3905,7 +3905,7 @@ void FOptiAttrTest::ibmColorTest()
   CPPUNIT_ASSERT ( from != to );
   CPPUNIT_ASSERT_CSTRING ( oa.changeAttribute(from, to), "" );
   CPPUNIT_ASSERT ( from == to );
-  CPPUNIT_ASSERT ( to.encoded_char == ' ' );
+  CPPUNIT_ASSERT ( to.encoded_char[0] == ' ' );
   CPPUNIT_ASSERT ( oa.changeAttribute(from, to) == 0 );
 
   // Invisible off (with default colors)