diff --git a/lisp/pixel-scroll.el b/lisp/pixel-scroll.el
index d3b45000239..b943365a3f5 100644
--- a/lisp/pixel-scroll.el
+++ b/lisp/pixel-scroll.el
@@ -108,6 +108,18 @@ is always with pixel resolution.")
     (define-key map [vertical-scroll-bar wheel-down] #'pixel-scroll-precision)
     (define-key map [vertical-scroll-bar wheel-up] #'pixel-scroll-precision)
     (define-key map [vertical-scroll-bar touch-end] #'pixel-scroll-start-momentum)
+    (define-key map [left-margin wheel-down] #'pixel-scroll-precision)
+    (define-key map [left-margin wheel-up] #'pixel-scroll-precision)
+    (define-key map [left-margin touch-end] #'pixel-scroll-start-momentum)
+    (define-key map [right-margin wheel-down] #'pixel-scroll-precision)
+    (define-key map [right-margin wheel-up] #'pixel-scroll-precision)
+    (define-key map [right-margin touch-end] #'pixel-scroll-start-momentum)
+    (define-key map [left-fringe wheel-down] #'pixel-scroll-precision)
+    (define-key map [left-fringe wheel-up] #'pixel-scroll-precision)
+    (define-key map [left-fringe touch-end] #'pixel-scroll-start-momentum)
+    (define-key map [right-fringe wheel-down] #'pixel-scroll-precision)
+    (define-key map [right-fringe wheel-up] #'pixel-scroll-precision)
+    (define-key map [right-fringe touch-end] #'pixel-scroll-start-momentum)
     map)
   "The key map used by `pixel-scroll-precision-mode'.")