diff --git a/src/game.cpp b/src/game.cpp
index 834768b140208..1055e1867b919 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -1711,14 +1711,14 @@ units::temperature_delta get_heat_radiation( const tripoint_bub_ms &location )
             continue;
         }
         if( player_character.pos_bub() == location ) {
-            bool gas_can_spread = true;
+            bool heat_can_spread = true;
             for( const tripoint_bub_ms &p : line_to( player_character.pos_bub(), dest ) ) {
                 if( !here.has_flag( ter_furn_flag::TFLAG_PERMEABLE, p ) && here.impassable( p ) ) {
-                    gas_can_spread = false;
+                    heat_can_spread = false;
                     break;
                 }
             }
-            if( !gas_can_spread ) {
+            if( !heat_can_spread ) {
                 continue;
             }
         } else if( !here.sees( location, dest, -1 ) ) {