diff --git a/gfx/thebes/gfxPrefs.h b/gfx/thebes/gfxPrefs.h
index 410013d7d599..0ed1c98aee80 100644
--- a/gfx/thebes/gfxPrefs.h
+++ b/gfx/thebes/gfxPrefs.h
@@ -157,12 +157,12 @@ private:
   DECL_GFX_PREF(Once, "apz.fling_curve_function_y1",           APZCurveFunctionY1, float, 0.0f);
   DECL_GFX_PREF(Once, "apz.fling_curve_function_y2",           APZCurveFunctionY2, float, 1.0f);
   DECL_GFX_PREF(Live, "apz.fling_curve_threshold_inches_per_ms", APZCurveThreshold, float, -1.0f);
-  DECL_GFX_PREF(Once, "apz.fling_friction",                    APZFlingFriction, float, 0.002f);
+  DECL_GFX_PREF(Live, "apz.fling_friction",                    APZFlingFriction, float, 0.002f);
   DECL_GFX_PREF(Live, "apz.fling_repaint_interval",            APZFlingRepaintInterval, int32_t, 75);
-  DECL_GFX_PREF(Once, "apz.fling_stop_on_tap_threshold",       APZFlingStopOnTapThreshold, float, 0.05f);
-  DECL_GFX_PREF(Once, "apz.fling_stopped_threshold",           APZFlingStoppedThreshold, float, 0.01f);
-  DECL_GFX_PREF(Once, "apz.highlight_checkerboarded_areas",    APZHighlightCheckerboardedAreas, bool, false);
-  DECL_GFX_PREF(Once, "apz.max_velocity_inches_per_ms",        APZMaxVelocity, float, -1.0f);
+  DECL_GFX_PREF(Live, "apz.fling_stop_on_tap_threshold",       APZFlingStopOnTapThreshold, float, 0.05f);
+  DECL_GFX_PREF(Live, "apz.fling_stopped_threshold",           APZFlingStoppedThreshold, float, 0.01f);
+  DECL_GFX_PREF(Live, "apz.highlight_checkerboarded_areas",    APZHighlightCheckerboardedAreas, bool, false);
+  DECL_GFX_PREF(Live, "apz.max_velocity_inches_per_ms",        APZMaxVelocity, float, -1.0f);
   DECL_GFX_PREF(Once, "apz.max_velocity_queue_size",           APZMaxVelocityQueueSize, uint32_t, 5);
   DECL_GFX_PREF(Live, "apz.min_skate_speed",                   APZMinSkateSpeed, float, 1.0f);
   DECL_GFX_PREF(Live, "apz.minimap.enabled",                   APZMinimap, bool, false);