diff --git a/kernels/x86_64/haswell/3/bli_gemm_asm_d6x8.c b/kernels/x86_64/haswell/3/bli_gemm_asm_d6x8.c
index bffde4c5e..bc06c819b 100644
--- a/kernels/x86_64/haswell/3/bli_gemm_asm_d6x8.c
+++ b/kernels/x86_64/haswell/3/bli_gemm_asm_d6x8.c
@@ -661,8 +661,8 @@ void bli_dgemm_asm_6x8
 	//void*   a_next = bli_auxinfo_next_a( data );
 	//void*   b_next = bli_auxinfo_next_b( data );
 
-	dim_t   k_iter = k / 4;
-	dim_t   k_left = k % 4;
+    uint64_t   k_iter = k / 4;
+    uint64_t   k_left = k % 4;
 
 	__asm__ volatile
 	(