diff --git a/res/core/en/strings.xml b/res/core/en/strings.xml
index 0347e92b5..096dace78 100644
--- a/res/core/en/strings.xml
+++ b/res/core/en/strings.xml
@@ -1081,7 +1081,7 @@
   <string name="lifepotion">
     <text locale="en">water of life</text>
   </string>
-  <string name="p2_p">
+  <string name="lifepotion_p">
     <text locale="en">waters of life</text>
   </string>
   <string name="p3">
diff --git a/src/reports.c b/src/reports.c
index 20f2068e8..992e6de9f 100644
--- a/src/reports.c
+++ b/src/reports.c
@@ -2114,10 +2114,14 @@ static void eval_resource(struct opstack **stack, const void *userdata)
     int j = opop(stack).i;
     const struct resource_type *res = (const struct resource_type *)opop(stack).v;
     const char *c = LOC(lang, resourcename(res, j != 1));
-    size_t len = strlen(c);
     variant var;
+    if (c) {
+        size_t len = strlen(c);
 
-    var.v = strcpy(balloc(len + 1), c);
+        var.v = strcpy(balloc(len + 1), c);
+    } else {
+        var.v = NULL;
+    }
     opush(stack, var);
 }
 
diff --git a/src/util/language.c b/src/util/language.c
index cf76dc4de..b2447b695 100644
--- a/src/util/language.c
+++ b/src/util/language.c
@@ -186,7 +186,7 @@ const char *locale_string(const locale * lang, const char *key, bool warn)
             return value;
         }
     }
-    return 0;
+    return NULL;
 }
 
 void locale_setstring(locale * lang, const char *key, const char *value)