diff --git a/test/decloverride2.cb b/test/decloverride2.cb
new file mode 100644
index 0000000..b7a73a9
--- /dev/null
+++ b/test/decloverride2.cb
@@ -0,0 +1,11 @@
+import stdio;
+import decloverride2;
+
+int f(void) { return 77; }
+
+int
+main(void)
+{
+    printf("%d\n", f());
+    return 0;
+}
diff --git a/test/decloverride2.hb b/test/decloverride2.hb
new file mode 100644
index 0000000..49d6792
--- /dev/null
+++ b/test/decloverride2.hb
@@ -0,0 +1,2 @@
+extern int f(void);
+extern int f(void);
diff --git a/test/test_cbc.sh b/test/test_cbc.sh
index 085595e..8b016fc 100644
--- a/test/test_cbc.sh
+++ b/test/test_cbc.sh
@@ -237,6 +237,7 @@ test_25_block() {
     assert_out "1;2;3;1;OK" ./block
     assert_out "1;2;3" ./defvar
     assert_out "77" ./decloverride
+    assert_compile_error decloverride2.cb
 }
 
 test_26_funcptr() {
@@ -363,7 +364,7 @@ assert_compile_success() {
 
 assert_compile_error() {
     shunit_begin_test
-    if eval "$CBC $@" >tc.out 2>&1
+    if "$CBC" "$@" >tc.out 2>&1
     then
         echo "shunit[$@]: compile error not occured"
         shunit_test_failed