diff --git a/resources/lib/std/math.c3 b/resources/lib/std/math.c3
index 05cf358fe..9c1ee82ec 100644
--- a/resources/lib/std/math.c3
+++ b/resources/lib/std/math.c3
@@ -20,7 +20,7 @@ func double log10(double x)
     const double LG6 = 1.531383769920937332e-01;  /* 3FC39A09 D078C69F */
     const double LG7 = 1.479819860511658591e-01;  /* 3FC2F112 DF3E5244 */
     DoubleLong u = { .f = x };
-	uint hx = (uint)(u.i >> 32);
+	ulong hx = (uint)(u.i >> 32);
 	int k = 0;
 	if (hx < 0x00100000 || hx >> 31)
 	{
diff --git a/resources/lib/std/mem.c3 b/resources/lib/std/mem.c3
index d58f6999d..a0bbc8f7d 100644
--- a/resources/lib/std/mem.c3
+++ b/resources/lib/std/mem.c3
@@ -11,7 +11,6 @@ enum AllocationKind
     REALLOC,
     FREE,
 }
-
 enum AllocationFailureKind
 {
     OUT_OF_MEMORY
diff --git a/src/compiler/llvm_codegen_function.c b/src/compiler/llvm_codegen_function.c
index 09f2e191a..fb05022d2 100644
--- a/src/compiler/llvm_codegen_function.c
+++ b/src/compiler/llvm_codegen_function.c
@@ -502,6 +502,8 @@ static void llvm_emit_param_attributes(GenContext *context, LLVMValueRef functio
 			}
 			if (is_return)
 			{
+				llvm_attribute_add_int(context, function, attribute_align, type_abi_alignment(type_voidptr), 1);
+				// TODO then type attributes are added to LLVM-C, use that for sret.
 				llvm_attribute_add(context, function, attribute_sret, 1);
 			}
 			else