diff --git a/vlib/v/gen/c/assign.v b/vlib/v/gen/c/assign.v
index 7609b9f077..c9d3ef9e84 100644
--- a/vlib/v/gen/c/assign.v
+++ b/vlib/v/gen/c/assign.v
@@ -520,7 +520,9 @@ fn (mut g Gen) assign_stmt(node_ ast.AssignStmt) {
 					g.expr(left)
 					g.write(' ${extracted_op} ')
 					g.expr(val)
-					g.write(';')
+					if !g.inside_for_c_stmt {
+						g.write(';')
+					}
 					return
 				} else {
 					g.write(' = ${styp}_${util.replace_op(extracted_op)}(')
diff --git a/vlib/v/tests/alias_assigned_in_increment_part_of_for_c_loop_test.v b/vlib/v/tests/alias_assigned_in_increment_part_of_for_c_loop_test.v
new file mode 100644
index 0000000000..95ec1f5355
--- /dev/null
+++ b/vlib/v/tests/alias_assigned_in_increment_part_of_for_c_loop_test.v
@@ -0,0 +1,11 @@
+type Float = f32
+
+fn test_increment_of_alias_in_for_c_loop() {
+	min_value := Float(1)
+	max_value := Float(10)
+	step := Float(1)
+	for n := min_value; n <= max_value; n += step {
+		println('${n}')
+		assert n > 0.0 && n < 11.0
+	}
+}