diff --git a/libs/gtkmm2ext/gtkmm2ext/utils.h b/libs/gtkmm2ext/gtkmm2ext/utils.h
index 317b8c2206..2686a8d7e0 100644
--- a/libs/gtkmm2ext/gtkmm2ext/utils.h
+++ b/libs/gtkmm2ext/gtkmm2ext/utils.h
@@ -117,6 +117,7 @@ namespace Gtkmm2ext {
 
 	/* C++ API for rounded rectangles */
 
+	LIBGTKMM2EXT_API void rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r=10);
 	LIBGTKMM2EXT_API void rounded_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r=10);
 	LIBGTKMM2EXT_API void rounded_top_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r=10);
 	LIBGTKMM2EXT_API void rounded_top_left_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r=10);
@@ -128,6 +129,7 @@ namespace Gtkmm2ext {
 
 	/* C API for rounded rectangles */
 
+	LIBGTKMM2EXT_API void rectangle (cairo_t*, double x, double y, double w, double h, double r=10);
 	LIBGTKMM2EXT_API void rounded_rectangle (cairo_t*, double x, double y, double w, double h, double r=10);
 	LIBGTKMM2EXT_API void rounded_top_rectangle (cairo_t*, double x, double y, double w, double h, double r=10);
 	LIBGTKMM2EXT_API void rounded_top_left_rectangle (cairo_t*, double x, double y, double w, double h, double r=10);
diff --git a/libs/gtkmm2ext/utils.cc b/libs/gtkmm2ext/utils.cc
index c2c2432248..9f24f928e3 100644
--- a/libs/gtkmm2ext/utils.cc
+++ b/libs/gtkmm2ext/utils.cc
@@ -588,6 +588,12 @@ Gtkmm2ext::container_clear (Gtk::Container& c, bool and_delete)
 	}
 }
 
+void
+Gtkmm2ext::rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double /*r*/)
+{
+	cairo_rectangle (context->cobj(), x, y, w, h);
+}
+
 void
 Gtkmm2ext::rounded_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
 {
@@ -631,6 +637,12 @@ Gtkmm2ext::rounded_right_half_rectangle (Cairo::RefPtr<Cairo::Context> context,
 	rounded_right_half_rectangle (context->cobj(), x, y, w, h, r);
 }
 
+void
+Gtkmm2ext::rectangle (cairo_t* cr, double x, double y, double w, double h, double /*r*/)
+{
+	cairo_rectangle (cr, x, y, w, h);
+}
+
 void
 Gtkmm2ext::rounded_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
 {