diff --git a/board/esd/cpci750/cpci750.c b/board/esd/cpci750/cpci750.c
index 56c12d7..68f121d 100644
--- a/board/esd/cpci750/cpci750.c
+++ b/board/esd/cpci750/cpci750.c
@@ -494,18 +494,18 @@
 #if defined (CFG_DRAM_TEST_DATA)
 
 unsigned long long pattern[] = {
-	0xaaaaaaaaaaaaaaaa,
-	0xcccccccccccccccc,
-	0xf0f0f0f0f0f0f0f0,
-	0xff00ff00ff00ff00,
-	0xffff0000ffff0000,
-	0xffffffff00000000,
-	0x00000000ffffffff,
-	0x0000ffff0000ffff,
-	0x00ff00ff00ff00ff,
-	0x0f0f0f0f0f0f0f0f,
-	0x3333333333333333,
-	0x5555555555555555
+	0xaaaaaaaaaaaaaaaaLL,
+	0xccccccccccccccccLL,
+	0xf0f0f0f0f0f0f0f0LL,
+	0xff00ff00ff00ff00LL,
+	0xffff0000ffff0000LL,
+	0xffffffff00000000LL,
+	0x00000000ffffffffLL,
+	0x0000ffff0000ffffLL,
+	0x00ff00ff00ff00ffLL,
+	0x0f0f0f0f0f0f0f0fLL,
+	0x3333333333333333LL,
+	0x5555555555555555LL,
 };
 
 /*********************************************************************/