diff --git a/gfx/layers/apz/src/AsyncPanZoomController.cpp b/gfx/layers/apz/src/AsyncPanZoomController.cpp
index ef3b529680f6..d7d58acd9ee4 100644
--- a/gfx/layers/apz/src/AsyncPanZoomController.cpp
+++ b/gfx/layers/apz/src/AsyncPanZoomController.cpp
@@ -5478,6 +5478,9 @@ void AsyncPanZoomController::ZoomToRect(const ZoomTarget& aZoomTarget,
     MOZ_ASSERT(Metrics().IsRootContent());
     MOZ_ASSERT(Metrics().GetZoom().AreScalesSame());
 
+    const float defaultZoomInAmount =
+        StaticPrefs::apz_doubletapzoom_defaultzoomin();
+
     ParentLayerRect compositionBounds = Metrics().GetCompositionBounds();
     CSSRect cssPageRect = Metrics().GetScrollableRect();
     CSSPoint scrollOffset = Metrics().GetVisualScrollOffset();
@@ -5526,7 +5529,8 @@ void AsyncPanZoomController::ZoomToRect(const ZoomTarget& aZoomTarget,
     } else {
       if (rect.IsEmpty()) {
         if (currentZoom == localMinZoom &&
-            (aFlags & ZOOM_IN_IF_CANT_ZOOM_OUT)) {
+            (aFlags & ZOOM_IN_IF_CANT_ZOOM_OUT) &&
+            (defaultZoomInAmount != 1.f)) {
           zoomInDefaultAmount = true;
         } else {
           zoomOut = true;
@@ -5538,14 +5542,14 @@ void AsyncPanZoomController::ZoomToRect(const ZoomTarget& aZoomTarget,
 
     // already at min zoom and asked to zoom out further
     if (!zoomOut && currentZoom == localMinZoom && targetZoom <= localMinZoom &&
-        (aFlags & ZOOM_IN_IF_CANT_ZOOM_OUT)) {
+        (aFlags & ZOOM_IN_IF_CANT_ZOOM_OUT) && (defaultZoomInAmount != 1.f)) {
       zoomInDefaultAmount = true;
     }
     MOZ_ASSERT(!(zoomInDefaultAmount && zoomOut));
 
     if (zoomInDefaultAmount) {
-      targetZoom = CSSToParentLayerScale(
-          currentZoom.scale * StaticPrefs::apz_doubletapzoom_defaultzoomin());
+      targetZoom =
+          CSSToParentLayerScale(currentZoom.scale * defaultZoomInAmount);
     }
 
     if (zoomOut) {
diff --git a/gfx/layers/apz/test/mochitest/test_group_double_tap_zoom-2.html b/gfx/layers/apz/test/mochitest/test_group_double_tap_zoom-2.html
index 99907e506ffb..bf523c3e46c8 100644
--- a/gfx/layers/apz/test/mochitest/test_group_double_tap_zoom-2.html
+++ b/gfx/layers/apz/test/mochitest/test_group_double_tap_zoom-2.html
@@ -28,13 +28,18 @@ var logging_and_doubletap_prefs = [
   ["apz.test.logging_enabled", true],
 ];
 
+var disable_default_zoomin_and_doubletap_prefs = [
+  ...doubletap_prefs,
+  ["apz.doubletapzoom.defaultzoomin", "1.0"],
+];
+
 var subtests = [
   {"file": "helper_doubletap_zoom_smooth.html", "prefs": longeranimation_visualviewport_and_doubletap_prefs},
   {"file": "helper_doubletap_zoom_fixedpos_overflow.html", "prefs": logging_and_doubletap_prefs},
-  {"file": "helper_doubletap_zoom_hscrollable.html", "prefs": doubletap_prefs},
+  {"file": "helper_doubletap_zoom_hscrollable.html", "prefs": disable_default_zoomin_and_doubletap_prefs},
   {"file": "helper_doubletap_zoom_scrolled_overflowhidden.html", "prefs": doubletap_prefs},
   {"file": "helper_doubletap_zoom_shadowdom.html", "prefs": doubletap_prefs},
-  {"file": "helper_doubletap_zoom_tablecell.html", "prefs": doubletap_prefs},
+  {"file": "helper_doubletap_zoom_tablecell.html", "prefs": disable_default_zoomin_and_doubletap_prefs},
   {"file": "helper_doubletap_zoom_gencon.html", "prefs": doubletap_prefs},
   {"file": "helper_doubletap_zoom_hscrollable2.html", "prefs": doubletap_prefs},
   {"file": "helper_doubletap_zoom_nothing.html", "prefs": doubletap_prefs},
@@ -44,10 +49,10 @@ if (getPlatform() == "mac") {
   subtests.push(
     {"file": "helper_doubletap_zoom_smooth.html?touchpad", "prefs": longeranimation_visualviewport_and_doubletap_prefs},
     {"file": "helper_doubletap_zoom_fixedpos_overflow.html?touchpad", "prefs": logging_and_doubletap_prefs},
-    {"file": "helper_doubletap_zoom_hscrollable.html?touchpad", "prefs": doubletap_prefs},
+    {"file": "helper_doubletap_zoom_hscrollable.html?touchpad", "prefs": disable_default_zoomin_and_doubletap_prefs},
     {"file": "helper_doubletap_zoom_scrolled_overflowhidden.html?touchpad", "prefs": doubletap_prefs},
     {"file": "helper_doubletap_zoom_shadowdom.html?touchpad", "prefs": doubletap_prefs},
-    {"file": "helper_doubletap_zoom_tablecell.html?touchpad", "prefs": doubletap_prefs},
+    {"file": "helper_doubletap_zoom_tablecell.html?touchpad", "prefs": disable_default_zoomin_and_doubletap_prefs},
     {"file": "helper_doubletap_zoom_gencon.html?touchpad", "prefs": doubletap_prefs},
     {"file": "helper_doubletap_zoom_hscrollable2.html?touchpad", "prefs": doubletap_prefs},
     {"file": "helper_doubletap_zoom_nothing.html?touchpad", "prefs": doubletap_prefs},