diff --git a/src/num/multind.c b/src/num/multind.c
index f14d83bb7..cb5fbf27c 100644
--- a/src/num/multind.c
+++ b/src/num/multind.c
@@ -987,7 +987,7 @@ void md_copy2(int D, const long dim[D], const long ostr[D], void* optr, const lo
 
 		NESTED(void, nary_strided_copy, (void* ptr[]))
 		{
-			debug_printf(DP_DEBUG4, "CUDA 2D copy %ld %ld %ld %ld %ld %ld\n",
+			debug_printf(DP_DEBUG4, "CUDA 2D copy %ld %ld %ld %ld %p %p\n",
 				sizesp[0], sizesp[1], ostr2, istr2, nptrp[0], nptrp[1]);
 
 			cuda_memcpy_strided(sizesp, ostr2, ptr[0], istr2, ptr[1]);
diff --git a/utests/test_flpmath.c b/utests/test_flpmath.c
index 71ada8468..825f9240b 100644
--- a/utests/test_flpmath.c
+++ b/utests/test_flpmath.c
@@ -62,7 +62,7 @@ static bool test_md_zfmacc2(void)
 
 	for (unsigned long flags = 0UL; flags < 16UL; flags++) {
 
-		debug_printf(DP_DEBUG1, "Testing md_zfmacc2_flags with flags=%d\n", flags);
+		debug_printf(DP_DEBUG1, "Testing md_zfmacc2_flags with flags=%lu\n", flags);
 
 		ret &= test_md_zfmacc2_flags(4, idims, flags, test_md_in0, test_md_in1, test_md_zfmacc2_out[flags]);
 	}
@@ -102,7 +102,7 @@ static bool test_md_zwavg(void)
 
 	for (unsigned long flags = 0UL; flags < 16UL; flags++) {
 
-		debug_printf(DP_DEBUG1, "Testing md_zwavg_flags with flags=%d\n", flags);
+		debug_printf(DP_DEBUG1, "Testing md_zwavg_flags with flags=%lu\n", flags);
 
 		ret &= test_md_zavg_flags(4, idims, flags, test_md_in0, test_md_zwavg_out[flags], wavg);
 	}
@@ -120,7 +120,7 @@ static bool test_md_zavg(void)
 
 	for (unsigned long flags = 0UL; flags < 16UL; flags++) {
 
-		debug_printf(DP_DEBUG1, "Testing md_zavg_flags with flags=%d\n", flags);
+		debug_printf(DP_DEBUG1, "Testing md_zavg_flags with flags=%lu\n", flags);
 
 		ret &= test_md_zavg_flags(4, idims, flags, test_md_in0, test_md_zavg_out[flags], wavg);
 	}