diff --git a/vlib/math/gamma.v b/vlib/math/gamma.v
index f8b1603ad8..e0061db39b 100644
--- a/vlib/math/gamma.v
+++ b/vlib/math/gamma.v
@@ -93,7 +93,7 @@ pub fn gamma(a f64) f64 {
 	for x < 0 {
 		if x > -1e-09 {
 			unsafe {
-				goto small_
+				goto small
 			}
 		}
 		z = z / x
@@ -102,7 +102,7 @@ pub fn gamma(a f64) f64 {
 	for x < 2 {
 		if x < 1e-09 {
 			unsafe {
-				goto small_
+				goto small
 			}
 		}
 		z = z / x
@@ -119,7 +119,7 @@ pub fn gamma(a f64) f64 {
 	if true {
 		return z * p / q
 	}
-	small_:
+	small:
 	if x == 0 {
 		return inf(1)
 	}
diff --git a/vlib/v/gen/c/cgen.v b/vlib/v/gen/c/cgen.v
index 17fd1d655b..0fe74f3d7b 100644
--- a/vlib/v/gen/c/cgen.v
+++ b/vlib/v/gen/c/cgen.v
@@ -1675,11 +1675,11 @@ fn (mut g Gen) stmt(node ast.Stmt) {
 			g.global_decl(node)
 		}
 		ast.GotoLabel {
-			g.writeln('$node.name: {}')
+			g.writeln('${c_name(node.name)}: {}')
 		}
 		ast.GotoStmt {
 			g.write_v_source_line_info(node.pos)
-			g.writeln('goto $node.name;')
+			g.writeln('goto ${c_name(node.name)};')
 		}
 		ast.HashStmt {
 			mut ct_condition := ''