diff --git a/vlib/v/builder/builder.v b/vlib/v/builder/builder.v
index a025b9328b..f5a82cc742 100644
--- a/vlib/v/builder/builder.v
+++ b/vlib/v/builder/builder.v
@@ -21,8 +21,8 @@ pub:
 	os                  pref.OS // the OS to build for
 	compiled_dir        string // contains os.realpath() of the dir of the final file beeing compiled, or the dir itself when doing `v .`
 	module_path         string
-	module_search_paths []string
 mut:
+	module_search_paths []string
 	parsed_files        []ast.File
 }
 
@@ -76,6 +76,8 @@ pub fn (b mut Builder) parse_imports() {
 			import_path := b.find_module_path(mod) or {
 				// v.parsers[i].error_with_token_index('cannot import module "$mod" (not found)', v.parsers[i].import_table.get_import_tok_idx(mod))
 				// break
+				// println('module_search_paths:')
+				// println(b.module_search_paths)
 				panic('cannot import module "$mod" (not found)')
 			}
 			v_files := b.v_files_from_dir(import_path)
@@ -171,3 +173,26 @@ pub fn (b &Builder) log(s string) {
 		println(s)
 	}
 }
+
+[inline]
+fn module_path(mod string) string {
+	// submodule support
+	return mod.replace('.', filepath.separator)
+}
+
+pub fn (b &Builder) find_module_path(mod string) ?string {
+	mod_path := module_path(mod)
+	for search_path in b.module_search_paths {
+		try_path := filepath.join(search_path,mod_path)
+		if b.pref.is_verbose {
+			println('  >> trying to find $mod in $try_path ..')
+		}
+		if os.is_dir(try_path) {
+			if b.pref.is_verbose {
+				println('  << found $try_path .')
+			}
+			return try_path
+		}
+	}
+	return error('module "$mod" not found')
+}
diff --git a/vlib/v/builder/modules.v b/vlib/v/builder/modules.v
index 0a83839589..d32ec3db36 100644
--- a/vlib/v/builder/modules.v
+++ b/vlib/v/builder/modules.v
@@ -4,26 +4,3 @@ import (
 	os
 	filepath
 )
-
-[inline]
-fn module_path(mod string) string {
-	// submodule support
-	return mod.replace('.', filepath.separator)
-}
-
-pub fn (b &Builder) find_module_path(mod string) ?string {
-	mod_path := module_path(mod)
-	for search_path in b.module_search_paths {
-		try_path := filepath.join(search_path,mod_path)
-		if b.pref.is_verbose {
-			println('  >> trying to find $mod in $try_path ..')
-		}
-		if os.is_dir(try_path) {
-			if b.pref.is_verbose {
-				println('  << found $try_path .')
-			}
-			return try_path
-		}
-	}
-	return error('module "$mod" not found')
-}
diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index 68ac4f0197..90cba0a0f3 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -12,7 +12,7 @@ import (
 )
 
 const (
-	max_nr_errors = 150
+	max_nr_errors = 350
 )
 
 pub struct Checker {
diff --git a/vlib/v/gen/cgen.v b/vlib/v/gen/cgen.v
index c62c96c2d1..dd26400c0a 100644
--- a/vlib/v/gen/cgen.v
+++ b/vlib/v/gen/cgen.v
@@ -85,8 +85,9 @@ fn (g mut Gen) stmt(node ast.Stmt) {
 			}
 			else {
 				type_sym := g.table.get_type_symbol(it.typ)
-				g.write('$type_sym.name ${it.name}(')
-				g.definitions.write('$type_sym.name ${it.name}(')
+				name := it.name.replace('.', '__')
+				g.write('$type_sym.name ${name}(')
+				g.definitions.write('$type_sym.name ${name}(')
 			}
 			for i, arg in it.args {
 				arg_type_sym := g.table.get_type_symbol(arg.typ)
@@ -283,7 +284,8 @@ fn (g mut Gen) expr(node ast.Expr) {
 			g.write('}')
 		}
 		ast.CallExpr {
-			g.write('${it.name}(')
+			name := it.name.replace('.', '__')
+			g.write('${name}(')
 			g.call_args(it.args)
 			g.write(')')
 			/*
@@ -298,7 +300,8 @@ fn (g mut Gen) expr(node ast.Expr) {
 		}
 		ast.MethodCallExpr {
 			typ := 'TODO'
-			g.write('${typ}_${it.name}(')
+			name := it.name.replace('.', '__')
+			g.write('${typ}_${name}(')
 			g.expr(it.expr)
 			if it.args.len > 0 {
 				g.write(', ')
diff --git a/vlib/v/gen/cgen_test.v b/vlib/v/gen/cgen_test.v
index 65df7b3d2f..dd65a4d1e0 100644
--- a/vlib/v/gen/cgen_test.v
+++ b/vlib/v/gen/cgen_test.v
@@ -16,13 +16,14 @@ fn test_c_files() {
 	vroot := filepath.dir(vexe)
 	term_ok := term.ok_message('OK')
 	term_fail := term.fail_message('FAIL')
-	for i in 1..(nr_tests + 1) {
+	for i in 1 .. (nr_tests + 1) {
 		path := '$vroot/vlib/v/gen/tests/${i}.vv'
 		mut ctext := os.read_file('$vroot/vlib/v/gen/tests/${i}.c') or {
 			panic(err)
 		}
 		ctext = ctext // unused warn
 		mut b := builder.new_builder(pref.Preferences{})
+		b.module_search_paths = ['$vroot/vlib/v/gen/tests/']
 		res := b.gen_c([path])
 		if compare_texts(res, ctext) {
 			eprintln('${term_ok} ${i}')
diff --git a/vlib/v/gen/tests/1.c b/vlib/v/gen/tests/1.c
index 3a9880ff16..ddbb7ff212 100644
--- a/vlib/v/gen/tests/1.c
+++ b/vlib/v/gen/tests/1.c
@@ -9,6 +9,7 @@ void ensure_cap(int required, int cap);
 void println(string s);
 void matches();
 void end();
+void localmod__pub_foo();
 int pi = 3;
 int pi2 = pi;
 
@@ -33,6 +34,7 @@ int main() {
 	int ak = 10;
 	int mypi = pi;
 	Color color = Color_red;
+	localmod__pub_foo();
 	return 0;
 }
 
@@ -141,3 +143,7 @@ void end() {
 	bool x = i != -1 && key == 10;
 	int e = 2 + 3 * 4;
 }
+
+void localmod__pub_foo() {
+	int a = 10;
+}
diff --git a/vlib/v/gen/tests/1.vv b/vlib/v/gen/tests/1.vv
index d1a0b50772..c51e34b8b8 100644
--- a/vlib/v/gen/tests/1.vv
+++ b/vlib/v/gen/tests/1.vv
@@ -1,6 +1,8 @@
 //import moda
 //import modb as mb
 
+import localmod
+
 const (
 	pi = 3
 	pi2 = pi
@@ -39,6 +41,7 @@ fn main() {
 	ak := 10
 	mypi := pi
 	color := Color.red
+	localmod.pub_foo()
 }
 	/*
 	user := User{}
diff --git a/vlib/v/gen/tests/localmod/localmod.v b/vlib/v/gen/tests/localmod/localmod.v
new file mode 100644
index 0000000000..fd4cd5f56f
--- /dev/null
+++ b/vlib/v/gen/tests/localmod/localmod.v
@@ -0,0 +1,5 @@
+module localmod
+
+pub fn pub_foo() {
+	a := 10
+}