diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c35469ccb8..091e6b5cd8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,8 +46,8 @@ jobs:
       run: |
         v vet vlib/v/parser
         v vet vlib/v/ast
-        v vet vlib/v/ast
         v vet vlib/v/gen/cgen.v
+        v vet vlib/v/checker
 #    - name: Test v binaries
 #      run: ./v -silent build-vbinaries
 
diff --git a/cmd/tools/vvet.v b/cmd/tools/vvet.v
index 72a62751a6..2b03318e9f 100644
--- a/cmd/tools/vvet.v
+++ b/cmd/tools/vvet.v
@@ -31,6 +31,9 @@ fn main() {
 }
 
 fn vet_file(path string, table &table.Table, prefs &pref.Preferences) {
+	if path.contains('/tests') {
+		return
+	}
 	file_ast := parser.parse_file(path, table, .parse_comments, prefs, &ast.Scope{
 		parent: 0
 	})
diff --git a/vlib/v/gen/cgen.v b/vlib/v/gen/cgen.v
index cd6736c57c..774664db5c 100644
--- a/vlib/v/gen/cgen.v
+++ b/vlib/v/gen/cgen.v
@@ -1315,7 +1315,8 @@ fn (mut g Gen) gen_cross_tmp_variable(left []ast.Expr, val ast.Expr) {
 			mut has_var := false
 			for lx in left {
 				if val_.str() == lx.str() {
-					g.write('_var_$lx.position().pos')
+					g.write('_var_')
+					g.write(lx.position().pos.str())
 					has_var = true
 					break
 				}
@@ -1341,7 +1342,7 @@ fn (mut g Gen) gen_cross_tmp_variable(left []ast.Expr, val ast.Expr) {
 			mut has_var := false
 			for lx in left {
 				if val_.str() == lx.str() {
-					g.write('_var_$lx.position().pos')
+					g.write('_var_${lx.position()}.pos')
 					has_var = true
 					break
 				}