diff --git a/vlib/builtin/cfns.c.v b/vlib/builtin/cfns.c.v
index 9b7eb0d2d4..6c76248e10 100644
--- a/vlib/builtin/cfns.c.v
+++ b/vlib/builtin/cfns.c.v
@@ -93,6 +93,8 @@ fn C._execve(cmd_path &char, args voidptr, envs voidptr) int
 
 fn C._execvp(cmd_path &char, args &&char) int
 
+fn C.strcmp(s1 &char, s2 &char) int
+
 [trusted]
 fn C.fork() int
 
diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index 682394163c..a56b23681b 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -648,7 +648,8 @@ pub fn (mut c Checker) infix_expr(mut node ast.InfixExpr) ast.Type {
 					rs, _ := c.table.type_size(right_type)
 					// prevent e.g. `u32 == i16` but not `u16 == i32` as max_u16 fits in i32
 					// TODO u32 == i32, change < to <=
-					if (is_left_type_signed && ls < rs) || (is_right_type_signed && rs < ls) {
+					if !c.pref.translated && ((is_left_type_signed && ls < rs)
+						|| (is_right_type_signed && rs < ls)) {
 						lt := c.table.sym(left_type).name
 						rt := c.table.sym(right_type).name
 						c.error('`$lt` cannot be compared with `$rt`', node.pos)