diff --git a/CHANGES b/CHANGES
index 3edb8079e..8719f6578 100644
--- a/CHANGES
+++ b/CHANGES
@@ -13,6 +13,7 @@ Bugfixes:
  - PSP2: Fix VSync
  - ARM7: Fix decoding of Thumb ADD (variants 5 and 6)
  - GBA Serialize: Savestates now properly store prefetch
+ - PSP2: Fix accelerometer range
 Misc:
  - 3DS: Use blip_add_delta_fast for a small speed improvement
  - OpenGL: Log shader compilation failure
diff --git a/src/platform/psp2/psp2-context.c b/src/platform/psp2/psp2-context.c
index 40ae1d663..38216eb74 100644
--- a/src/platform/psp2/psp2-context.c
+++ b/src/platform/psp2/psp2-context.c
@@ -103,12 +103,12 @@ static void _sampleRotation(struct mRotationSource* source) {
 
 static int32_t _readTiltX(struct mRotationSource* source) {
 	struct mSceRotationSource* rotation = (struct mSceRotationSource*) source;
-	return rotation->state.accelerometer.x * 0x60000000;
+	return rotation->state.accelerometer.x * 0x30000000;
 }
 
 static int32_t _readTiltY(struct mRotationSource* source) {
 	struct mSceRotationSource* rotation = (struct mSceRotationSource*) source;
-	return rotation->state.accelerometer.y * 0x60000000;
+	return rotation->state.accelerometer.y * -0x30000000;
 }
 
 static int32_t _readGyroZ(struct mRotationSource* source) {