diff --git a/data/json/items/chemicals_and_resources.json b/data/json/items/chemicals_and_resources.json
index b12fa6ed072e4..209fe6ae02d90 100644
--- a/data/json/items/chemicals_and_resources.json
+++ b/data/json/items/chemicals_and_resources.json
@@ -1943,7 +1943,7 @@
     "color": "red",
     "price": "50 cent",
     "price_postapoc": "2 cent",
-    "stack_size": 25
+    "stack_size": 1
   },
   {
     "id": "red_phosphorous_small",
@@ -1953,13 +1953,13 @@
     "name": { "str_sp": "small portion of red phosphorous" },
     "description": "An allotrope of the element phosphorous.  It's what you use to light matches, but can also be used in the synthesis of methamphetamine.  You could use it to make bombs, and if you were truly desperate you might even be able to use it as a propellant for bullets.",
     "weight": "100 mg",
-    "volume": "1 ml",
+    "volume": "5 ml",
     "container": "bottle_plastic_small",
     "symbol": "=",
     "color": "red",
     "price": "50 cent",
     "price_postapoc": "2 cent",
-    "stack_size": 25
+    "stack_size": 100
   },
   {
     "id": "white_phosphorous",
@@ -1976,7 +1976,7 @@
     "color": "white",
     "price": "50 cent",
     "price_postapoc": "2 cent",
-    "stack_size": 25
+    "stack_size": 1
   },
   {
     "id": "acetic_anhydride",
diff --git a/data/json/recipes/other/materials.json b/data/json/recipes/other/materials.json
index c9a276d23bc3e..70920e1740a2d 100644
--- a/data/json/recipes/other/materials.json
+++ b/data/json/recipes/other/materials.json
@@ -1408,7 +1408,7 @@
     "time": "4 m",
     "charges": 3,
     "batch_time_factors": [ 30, 2 ],
-    "components": [ [ [ "rolling_paper", 1 ] ], [ [ "chem_black_powder", 3 ], [ "red_phosphorous", 3 ], [ "gunpowder", 30 ] ] ]
+    "components": [ [ [ "rolling_paper", 1 ] ], [ [ "chem_black_powder", 3 ], [ "red_phosphorous_small", 3 ], [ "gunpowder", 30 ] ] ]
   },
   {
     "result": "wire",