diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 778940a7f2..9e733c18c8 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -24,6 +24,7 @@
 - Fix: [#20361] Crash when using random map generation.
 - Fix: [#20364] Adding too much money with cheats causes an overflow.
 - Fix: [#20365] Money cheat input does not support negative values.
+- Fix: [#20389] Reversed vehicles are now correctly banked on diagonal slopes.
 - Fix: [#20413] Crash when attempting to navigate an empty console history.
 - Fix: [#20417] Plugin/custom windows are missing the left border in the title bar.
 - Fix: [#20429] Error window tooltip not closing after 8 seconds.
diff --git a/src/openrct2/ride/VehiclePaint.cpp b/src/openrct2/ride/VehiclePaint.cpp
index e0960b14ef..d50efc818b 100644
--- a/src/openrct2/ride/VehiclePaint.cpp
+++ b/src/openrct2/ride/VehiclePaint.cpp
@@ -3352,7 +3352,7 @@ static void VehiclePitchUp16BankedRight45(
 static void VehiclePitchUp16(
     PaintSession& session, const Vehicle* vehicle, int32_t imageDirection, int32_t z, const CarEntry* carEntry)
 {
-    switch (vehicle->bank_rotation)
+    switch (GetPaintBankRotation(vehicle))
     {
         case 0:
             VehiclePitchUp16Unbanked(session, vehicle, imageDirection, z, carEntry);
@@ -3594,7 +3594,7 @@ static void VehiclePitchDown16BankedRight45(
 static void VehiclePitchDown16(
     PaintSession& session, const Vehicle* vehicle, int32_t imageDirection, int32_t z, const CarEntry* carEntry)
 {
-    switch (vehicle->bank_rotation)
+    switch (GetPaintBankRotation(vehicle))
     {
         case 0:
             VehiclePitchDown16Unbanked(session, vehicle, imageDirection, z, carEntry);