diff --git a/compiler/rustc_graphviz/src/lib.rs b/compiler/rustc_graphviz/src/lib.rs
index 252e34168654..29ec3572016d 100644
--- a/compiler/rustc_graphviz/src/lib.rs
+++ b/compiler/rustc_graphviz/src/lib.rs
@@ -634,7 +634,7 @@ pub fn render_opts<'a, N, E, G, W>(g: &'a G, w: &mut W, options: &[RenderOption]
     let mut graph_attrs = Vec::new();
     let mut content_attrs = Vec::new();
     if options.contains(&RenderOption::Monospace) {
-        let font = r#"fontname="monospace""#;
+        let font = r#"fontname="Courier, monospace""#;
         graph_attrs.push(font);
         content_attrs.push(font);
     };
diff --git a/compiler/rustc_mir/src/util/graphviz.rs b/compiler/rustc_mir/src/util/graphviz.rs
index bc1e3fa8b291..e89c94377063 100644
--- a/compiler/rustc_mir/src/util/graphviz.rs
+++ b/compiler/rustc_mir/src/util/graphviz.rs
@@ -55,7 +55,7 @@ pub fn write_mir_fn_graphviz<'tcx, W>(
     writeln!(w, "{} {}Mir_{} {{", kind, cluster, def_name)?;
 
     // Global graph properties
-    let font = r#"fontname="monospace""#;
+    let font = r#"fontname="Courier, monospace""#;
     let mut graph_attrs = vec![font];
     let mut content_attrs = vec![font];
 
diff --git a/src/test/mir-opt/graphviz.main.mir_map.0.dot b/src/test/mir-opt/graphviz.main.mir_map.0.dot
index f5d8b84812a3..df4f11f0f216 100644
--- a/src/test/mir-opt/graphviz.main.mir_map.0.dot
+++ b/src/test/mir-opt/graphviz.main.mir_map.0.dot
@@ -1,7 +1,7 @@
 digraph Mir_0_3 {
-    graph [fontname="monospace"];
-    node [fontname="monospace"];
-    edge [fontname="monospace"];
+    graph [fontname="Courier, monospace"];
+    node [fontname="Courier, monospace"];
+    edge [fontname="Courier, monospace"];
     label=<fn main() -&gt; ()<br align="left"/>>;
     bb0__0_3 [shape="none", label=<<table border="0" cellborder="1" cellspacing="0"><tr><td bgcolor="gray" align="center" colspan="1">0</td></tr><tr><td align="left" balign="left">_0 = const ()<br/></td></tr><tr><td align="left">goto</td></tr></table>>];
     bb1__0_3 [shape="none", label=<<table border="0" cellborder="1" cellspacing="0"><tr><td bgcolor="gray" align="center" colspan="1">1</td></tr><tr><td align="left">resume</td></tr></table>>];