diff --git a/data/json/items/tool/workshop.json b/data/json/items/tool/workshop.json
index 59f5034475b92..e7c532e4fff62 100644
--- a/data/json/items/tool/workshop.json
+++ b/data/json/items/tool/workshop.json
@@ -886,7 +886,7 @@
       [ "CHISEL", 3 ],
       [ "CHISEL_WOOD", 3 ]
     ],
-    "use_action": [ "GUN_REPAIR", [ "CROWBAR", 0 ], [ "HAMMER", 0 ] ],
+    "use_action": [ "GUN_REPAIR", [ "CROWBAR", 0 ], [ "HAMMER", 0 ], [ "HACKSAW", 0 ] ],
     "flags": [ "ALLOWS_REMOTE_USE" ],
     "pocket_data": [
       {
diff --git a/data/mods/TEST_DATA/items.json b/data/mods/TEST_DATA/items.json
index 3d47563667ec3..ef3f0d64d90c9 100644
--- a/data/mods/TEST_DATA/items.json
+++ b/data/mods/TEST_DATA/items.json
@@ -1552,6 +1552,7 @@
     "description": "Test hacksaw which uses batteries.",
     "charges_per_use": 1,
     "ammo": [ "battery" ],
+    "use_action": [ [ "HACKSAW", 1 ] ],
     "pocket_data": [
       {
         "pocket_type": "MAGAZINE_WELL",
diff --git a/src/activity_actor.cpp b/src/activity_actor.cpp
index 494a58e2bf2b4..206db0bd65af4 100644
--- a/src/activity_actor.cpp
+++ b/src/activity_actor.cpp
@@ -1052,8 +1052,16 @@ void hacksaw_activity_actor::start( player_activity &act, Character &/*who*/ )
 
 void hacksaw_activity_actor::do_turn( player_activity &/*act*/, Character &who )
 {
-    if( tool->ammo_sufficient( &who ) ) {
-        tool->ammo_consume( tool->ammo_required(), tool.position(), &who );
+    std::string method = "HACKSAW";
+
+    if( tool->ammo_sufficient( &who, method ) ) {
+        int ammo_consumed = tool->ammo_required();
+        std::map<std::string, float>::const_iterator iter = tool->type->ammo_scale.find( method );
+        if( iter != tool->type->ammo_scale.end() ) {
+            ammo_consumed *= iter->second;
+        }
+
+        tool->ammo_consume( ammo_consumed, tool.position(), &who );
         sfx::play_activity_sound( "tool", "hacksaw", sfx::get_heard_volume( target ) );
         if( calendar::once_every( 1_minutes ) ) {
             //~ Sound of a metal sawing tool at work!