diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 8bceedfa47..028c85b05c 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -5931,6 +5931,10 @@ BattleScript_MagicRoomEnds::
 	waitmessage B_WAIT_TIME_LONG
 	end2
 
+BattleScript_GrassyTerrainEnds::
+	call BattleScript_GrassyTerrainHeals_Ret
+	goto BattleScript_TerrainEnds
+
 BattleScript_TerrainEnds_Ret::
 	printfromtable gTerrainStringIds
 	waitmessage B_WAIT_TIME_LONG
@@ -8225,6 +8229,10 @@ BattleScript_MoveUsedPsychicTerrainPrevents::
 	goto BattleScript_MoveEnd
 
 BattleScript_GrassyTerrainHeals::
+	call BattleScript_GrassyTerrainHeals_Ret
+	end2
+
+BattleScript_GrassyTerrainHeals_Ret::
 	setbyte gBattleCommunication, 0
 BattleScript_GrassyTerrainLoop:
 	copyarraywithindex gBattlerAttacker, gBattlerByTurnOrder, gBattleCommunication, 1
@@ -8242,7 +8250,7 @@ BattleScript_GrassyTerrainLoopEnd::
 	bicword gHitMarker, HITMARKER_IGNORE_BIDE | HITMARKER_IGNORE_SUBSTITUTE | HITMARKER_PASSIVE_DAMAGE
 	jumpifword CMP_COMMON_BITS, gFieldStatuses, STATUS_FIELD_TERRAIN_PERMANENT, BattleScript_GrassyTerrainHealEnd
 BattleScript_GrassyTerrainHealEnd:
-	end2
+	return
 
 BattleScript_AbilityNoSpecificStatLoss::
 	pause B_WAIT_TIME_SHORT
diff --git a/include/battle_scripts.h b/include/battle_scripts.h
index 1fd77449f6..148a91783b 100644
--- a/include/battle_scripts.h
+++ b/include/battle_scripts.h
@@ -265,6 +265,7 @@ extern const u8 BattleScript_WonderRoomEnds[];
 extern const u8 BattleScript_MagicRoomEnds[];
 extern const u8 BattleScript_TerrainEnds[];
 extern const u8 BattleScript_TerrainEnds_Ret[];
+extern const u8 BattleScript_GrassyTerrainEnds[];
 extern const u8 BattleScript_MudSportEnds[];
 extern const u8 BattleScript_WaterSportEnds[];
 extern const u8 BattleScript_SturdiedMsg[];
diff --git a/src/battle_util.c b/src/battle_util.c
index debcd6b6d2..e785679de2 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -1716,7 +1716,10 @@ static bool32 EndTurnTerrain(u32 terrainFlag, u32 stringTableId)
             gFieldStatuses &= ~terrainFlag;
             TryToRevertMimicryAndFlags();
             gBattleCommunication[MULTISTRING_CHOOSER] = stringTableId;
-            BattleScriptExecute(BattleScript_TerrainEnds);
+            if (terrainFlag & STATUS_FIELD_GRASSY_TERRAIN)
+                BattleScriptExecute(BattleScript_GrassyTerrainEnds);
+            else
+                BattleScriptExecute(BattleScript_TerrainEnds);
             return TRUE;
         }
     }
diff --git a/test/battle/terrain/grassy.c b/test/battle/terrain/grassy.c
index 678352dc5e..862c9052fd 100644
--- a/test/battle/terrain/grassy.c
+++ b/test/battle/terrain/grassy.c
@@ -85,3 +85,27 @@ SINGLE_BATTLE_TEST("Grassy Terrain lasts for 5 turns")
         MESSAGE("The grass disappeared from the battlefield.");
     }
 }
+
+SINGLE_BATTLE_TEST("Grassy Terrain heals the pokemon on the field for the duration of the terrain, including last turn")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET) { HP(1); };
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_CELEBRATE); MOVE(player, MOVE_GRASSY_TERRAIN); }
+        TURN {}
+        TURN {}
+        TURN {}
+        TURN {}
+    } SCENE {
+        MESSAGE("Foe Wobbuffet used Celebrate!");
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_GRASSY_TERRAIN, player);
+        MESSAGE("Grass grew to cover the battlefield!");
+        MESSAGE("Foe Wobbuffet is healed by the grassy terrain!");
+        MESSAGE("Foe Wobbuffet is healed by the grassy terrain!");
+        MESSAGE("Foe Wobbuffet is healed by the grassy terrain!");
+        MESSAGE("Foe Wobbuffet is healed by the grassy terrain!");
+        MESSAGE("Foe Wobbuffet is healed by the grassy terrain!");
+        MESSAGE("The grass disappeared from the battlefield.");
+    }
+}