diff --git a/base/sources/libs/kong/backends/hlsl.c b/base/sources/libs/kong/backends/hlsl.c
index 1dce3239..c1146d43 100644
--- a/base/sources/libs/kong/backends/hlsl.c
+++ b/base/sources/libs/kong/backends/hlsl.c
@@ -1429,7 +1429,7 @@ static void write_functions(char *hlsl, size_t *offset, shader_stage stage, func
 					                   o->op_call.var.index, o->op_call.parameters[0].index);
 				}
 				else if (o->op_call.func == add_name("ddy2")) {
-					*offset += sprintf(&hlsl[*offset], "%s _%" PRIu64 " = ddx(_%" PRIu64 ");\n", type_string(o->op_call.var.type.type),
+					*offset += sprintf(&hlsl[*offset], "%s _%" PRIu64 " = ddy(_%" PRIu64 ");\n", type_string(o->op_call.var.type.type),
 					                   o->op_call.var.index, o->op_call.parameters[0].index);
 				}
 				else if (o->op_call.func == add_name("ddx3")) {
@@ -1437,7 +1437,7 @@ static void write_functions(char *hlsl, size_t *offset, shader_stage stage, func
 					                   o->op_call.var.index, o->op_call.parameters[0].index);
 				}
 				else if (o->op_call.func == add_name("ddy3")) {
-					*offset += sprintf(&hlsl[*offset], "%s _%" PRIu64 " = ddx(_%" PRIu64 ");\n", type_string(o->op_call.var.type.type),
+					*offset += sprintf(&hlsl[*offset], "%s _%" PRIu64 " = ddy(_%" PRIu64 ");\n", type_string(o->op_call.var.type.type),
 					                   o->op_call.var.index, o->op_call.parameters[0].index);
 				}
 
@@ -1987,7 +1987,7 @@ void hlsl_export(char *directory, api_kind d3d, bool debug) {
 
 ////
 
-int compile_hlsl_to_d3d12(const char *source, uint8_t **output, size_t *outputlength, shader_stage stage, bool debug) {}
+int compile_hlsl_to_d3d12(const char *source, uint8_t **output, size_t *outputlength, shader_stage stage, bool debug) { return 0; }
 
 static char *hlsl_export_vertex2(api_kind d3d, function *main, bool debug) {
 	char  *hlsl   = (char *)calloc(1024 * 1024, 1);