diff --git a/test/gtc/gtc_round.cpp b/test/gtc/gtc_round.cpp
index 074987f6..112e3015 100644
--- a/test/gtc/gtc_round.cpp
+++ b/test/gtc/gtc_round.cpp
@@ -368,9 +368,12 @@ namespace ceilMultiple
 	{
 		type<int> const Data[] = 
 		{
-			{3, 4, 4},
-			{7, 8, 4},
-			{5, 8, 4},
+			{3, 4, 4, 0},
+			{7, 4, 8, 0},
+			{5, 4, 8, 0},
+			{1, 4, 4, 0},
+			{1, 3, 3, 0},
+			{4, 3, 6, 0},
 		};
 
 		int Error(0);