diff --git a/clutter/tests/interactive/test-cogl-offscreen.c b/clutter/tests/interactive/test-cogl-offscreen.c
index 18469f11b..1f99daea6 100644
--- a/clutter/tests/interactive/test-cogl-offscreen.c
+++ b/clutter/tests/interactive/test-cogl-offscreen.c
@@ -13,7 +13,7 @@ G_BEGIN_DECLS
 
 #define TEST_COGLBOX(obj) \
   (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-  TEST_TYPE_COGLBOX, TestCoglboxClass))
+  TEST_TYPE_COGLBOX, TestCoglbox))
 
 #define TEST_COGLBOX_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_CAST ((klass), \
diff --git a/clutter/tests/interactive/test-cogl-tex-convert.c b/clutter/tests/interactive/test-cogl-tex-convert.c
index 819c02d20..32b752aec 100644
--- a/clutter/tests/interactive/test-cogl-tex-convert.c
+++ b/clutter/tests/interactive/test-cogl-tex-convert.c
@@ -13,7 +13,7 @@ G_BEGIN_DECLS
 
 #define TEST_COGLBOX(obj) \
   (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-  TEST_TYPE_COGLBOX, TestCoglboxClass))
+  TEST_TYPE_COGLBOX, TestCoglbox))
 
 #define TEST_COGLBOX_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_CAST ((klass), \
diff --git a/clutter/tests/interactive/test-cogl-tex-polygon.c b/clutter/tests/interactive/test-cogl-tex-polygon.c
index 79bb89f53..a8136e4a1 100644
--- a/clutter/tests/interactive/test-cogl-tex-polygon.c
+++ b/clutter/tests/interactive/test-cogl-tex-polygon.c
@@ -13,7 +13,7 @@ G_BEGIN_DECLS
 
 #define TEST_COGLBOX(obj) \
   (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-  TEST_TYPE_COGLBOX, TestCoglboxClass))
+  TEST_TYPE_COGLBOX, TestCoglbox))
 
 #define TEST_COGLBOX_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_CAST ((klass), \
diff --git a/clutter/tests/interactive/test-cogl-tex-tile.c b/clutter/tests/interactive/test-cogl-tex-tile.c
index e9e33339f..2f67db735 100644
--- a/clutter/tests/interactive/test-cogl-tex-tile.c
+++ b/clutter/tests/interactive/test-cogl-tex-tile.c
@@ -14,7 +14,7 @@ G_BEGIN_DECLS
 
 #define TEST_COGLBOX(obj) \
   (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-  TEST_TYPE_COGLBOX, TestCoglboxClass))
+  TEST_TYPE_COGLBOX, TestCoglbox))
 
 #define TEST_COGLBOX_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_CAST ((klass), \