diff --git a/main.py b/main.py
index 8a0f779..0d9a45d 100644
--- a/main.py
+++ b/main.py
@@ -65,6 +65,22 @@ Marker = Literal[
     "_",
 ]
 
+marker_subs = {"=": "$=$", "/": "$/$",
+              "\\": "$\\setminus$",
+               "«": "$«$",
+               "»": "$»$",
+              "~": "$\\sim$",
+              "♪": "$♪$",
+              "♫": "$♫$",
+               "∞": "$\\infty$",
+               "♡": "$♡$",
+              "o": "$\\bigcirc$",
+               "♠": "$♠$",
+"♣": "$♣$",
+  "♥": "$♥$",
+ "♦": "$♦$",
+               "🥑": "$🥑$"
+               }
 
 @app.get("/speckles/")
 def make_wallpaper(
@@ -110,8 +126,7 @@ def make_wallpaper(
         markers,
         np.logspace(0, size, 10, base=np.exp(2)),
     ):
-        marker = marker.replace("=", "$=$")
-        marker = marker.replace("~", "$\sim$")
+        marker = marker_subs.get(marker, marker)
         ax.scatter(
             [random.random() * x / 8 for _ in range(speckles_per_colour)],
             [random.random() * y / 8 for _ in range(speckles_per_colour)],
@@ -145,4 +160,4 @@ def make_wallpaper(
 
 
 if __name__ == "__main__":
-    uvicorn.run("main:app", workers=2, port=8099, reload=False)
+    uvicorn.run("main:app", workers=3, port=8099, reload=True)