diff --git a/composable_kernel/include/utility/config.amd.hpp.in b/composable_kernel/include/utility/config.amd.hpp.in
index dadaa53b1b..ea13e2b6f8 100644
--- a/composable_kernel/include/utility/config.amd.hpp.in
+++ b/composable_kernel/include/utility/config.amd.hpp.in
@@ -32,7 +32,7 @@
 
 #ifdef CK_USE_LAUNCH_BOUNDS
 #define CK_MAX_THREAD_PER_BLOCK 256
-#define CK_MIN_BLOCK_PER_CU 1
+#define CK_MIN_BLOCK_PER_CU 2
 #endif
 
 // buffer resourse