diff --git a/CHANGES b/CHANGES
index 9db0feba6..9d3a35474 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,7 @@ Bugfixes:
  - GBA Video: Force align 256-color tiles
  - GBA DMA: ROM reads are forced to increment
  - GB Video: Only trigger STAT write IRQs when screen is on (fixes mgba.io/i/912)
+ - GBA Cheats: Fix PARv3 slide codes (fixes mgba.io/i/919)
 
 0.6.1: (2017-10-01)
 Bugfixes:
diff --git a/src/gba/cheats/parv3.c b/src/gba/cheats/parv3.c
index 4def9171c..37a04a7dc 100644
--- a/src/gba/cheats/parv3.c
+++ b/src/gba/cheats/parv3.c
@@ -203,7 +203,7 @@ static bool _addPAR3Special(struct GBACheatSet* cheats, uint32_t op2) {
 	case PAR3_OTHER_FILL_4:
 		cheat = mCheatListAppend(&cheats->d.list);
 		cheat->address = _parAddr(op2);
-		cheat->width = 3;
+		cheat->width = 4;
 		cheats->incompleteCheat = mCheatListIndex(&cheats->d.list, cheat);
 		break;
 	}
@@ -219,7 +219,7 @@ bool GBACheatAddProActionReplayRaw(struct GBACheatSet* cheats, uint32_t op1, uin
 	if (cheats->incompleteCheat != COMPLETE) {
 		struct mCheat* incompleteCheat = mCheatListGetPointer(&cheats->d.list, cheats->incompleteCheat);
 		incompleteCheat->operand = op1 & (0xFFFFFFFFU >> ((4 - incompleteCheat->width) * 8));
-		incompleteCheat->addressOffset = op2 >> 24;
+		incompleteCheat->operandOffset = op2 >> 24;
 		incompleteCheat->repeat = (op2 >> 16) & 0xFF;
 		incompleteCheat->addressOffset = (op2 & 0xFFFF) * incompleteCheat->width;
 		cheats->incompleteCheat = COMPLETE;
diff --git a/src/gba/test/cheats.c b/src/gba/test/cheats.c
index ddde81f89..cdf1175e6 100644
--- a/src/gba/test/cheats.c
+++ b/src/gba/test/cheats.c
@@ -75,6 +75,93 @@ M_TEST_DEFINE(doPARv3Assign) {
 	set->deinit(set);
 }
 
+M_TEST_DEFINE(doPARv3Slide1) {
+	struct mCore* core = *state;
+	struct mCheatDevice* device = core->cheatDevice(core);
+	assert_non_null(device);
+	struct mCheatSet* set = device->createSet(device, NULL);
+	assert_non_null(set);
+	GBACheatSetGameSharkVersion((struct GBACheatSet*) set, GBA_GS_PARV3_RAW);
+	assert_true(set->addLine(set, "00000000 80300000", GBA_CHEAT_PRO_ACTION_REPLAY));
+	assert_true(set->addLine(set, "00000001 01020002", GBA_CHEAT_PRO_ACTION_REPLAY));
+
+	core->reset(core);
+	assert_int_equal(core->rawRead8(core, 0x03000000, -1), 0);
+	assert_int_equal(core->rawRead8(core, 0x03000001, -1), 0);
+	assert_int_equal(core->rawRead8(core, 0x03000002, -1), 0);
+	assert_int_equal(core->rawRead8(core, 0x03000003, -1), 0);
+	assert_int_equal(core->rawRead8(core, 0x03000004, -1), 0);
+	assert_int_equal(core->rawRead8(core, 0x03000005, -1), 0);
+
+	mCheatRefresh(device, set);
+	assert_int_equal(core->rawRead8(core, 0x03000000, -1), 1);
+	assert_int_equal(core->rawRead8(core, 0x03000001, -1), 0);
+	assert_int_equal(core->rawRead8(core, 0x03000002, -1), 2);
+	assert_int_equal(core->rawRead8(core, 0x03000003, -1), 0);
+	assert_int_equal(core->rawRead8(core, 0x03000004, -1), 0);
+	assert_int_equal(core->rawRead8(core, 0x03000005, -1), 0);
+
+	set->deinit(set);
+}
+
+M_TEST_DEFINE(doPARv3Slide2) {
+	struct mCore* core = *state;
+	struct mCheatDevice* device = core->cheatDevice(core);
+	assert_non_null(device);
+	struct mCheatSet* set = device->createSet(device, NULL);
+	assert_non_null(set);
+	GBACheatSetGameSharkVersion((struct GBACheatSet*) set, GBA_GS_PARV3_RAW);
+	assert_true(set->addLine(set, "00000000 82300000", GBA_CHEAT_PRO_ACTION_REPLAY));
+	assert_true(set->addLine(set, "00000001 01020002", GBA_CHEAT_PRO_ACTION_REPLAY));
+
+	core->reset(core);
+	assert_int_equal(core->rawRead16(core, 0x03000000, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x03000002, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x03000004, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x03000006, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x03000008, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x0300000A, -1), 0);
+
+	mCheatRefresh(device, set);
+	assert_int_equal(core->rawRead16(core, 0x03000000, -1), 1);
+	assert_int_equal(core->rawRead16(core, 0x03000002, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x03000004, -1), 2);
+	assert_int_equal(core->rawRead16(core, 0x03000006, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x03000008, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x0300000A, -1), 0);
+
+	set->deinit(set);
+}
+
+M_TEST_DEFINE(doPARv3Slide4) {
+	struct mCore* core = *state;
+	struct mCheatDevice* device = core->cheatDevice(core);
+	assert_non_null(device);
+	struct mCheatSet* set = device->createSet(device, NULL);
+	assert_non_null(set);
+	GBACheatSetGameSharkVersion((struct GBACheatSet*) set, GBA_GS_PARV3_RAW);
+	assert_true(set->addLine(set, "00000000 84300000", GBA_CHEAT_PRO_ACTION_REPLAY));
+	assert_true(set->addLine(set, "00000001 01020002", GBA_CHEAT_PRO_ACTION_REPLAY));
+
+	core->reset(core);
+	assert_int_equal(core->rawRead32(core, 0x03000000, -1), 0);
+	assert_int_equal(core->rawRead32(core, 0x03000004, -1), 0);
+	assert_int_equal(core->rawRead32(core, 0x03000008, -1), 0);
+	assert_int_equal(core->rawRead32(core, 0x0300000C, -1), 0);
+	assert_int_equal(core->rawRead32(core, 0x03000010, -1), 0);
+	assert_int_equal(core->rawRead32(core, 0x03000014, -1), 0);
+
+	mCheatRefresh(device, set);
+	assert_int_equal(core->rawRead16(core, 0x03000000, -1), 1);
+	assert_int_equal(core->rawRead16(core, 0x03000004, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x03000008, -1), 2);
+	assert_int_equal(core->rawRead16(core, 0x0300000C, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x03000010, -1), 0);
+	assert_int_equal(core->rawRead16(core, 0x03000014, -1), 0);
+
+	set->deinit(set);
+}
+
 M_TEST_DEFINE(doPARv3If1) {
 	struct mCore* core = *state;
 	struct mCheatDevice* device = core->cheatDevice(core);
@@ -927,6 +1014,9 @@ M_TEST_SUITE_DEFINE_SETUP_TEARDOWN(GBACheats,
 	cmocka_unit_test(createSet),
 	cmocka_unit_test(addRawPARv3),
 	cmocka_unit_test(doPARv3Assign),
+	cmocka_unit_test(doPARv3Slide1),
+	cmocka_unit_test(doPARv3Slide2),
+	cmocka_unit_test(doPARv3Slide4),
 	cmocka_unit_test(doPARv3If1),
 	cmocka_unit_test(doPARv3If1x1),
 	cmocka_unit_test(doPARv3If2),