diff --git a/common/main/fuelcen.h b/common/main/fuelcen.h
index 5a11ab230..cda124f92 100644
--- a/common/main/fuelcen.h
+++ b/common/main/fuelcen.h
@@ -62,7 +62,7 @@ void fuelcen_reset();
 void fuelcen_create( vsegptridx_t segp);
 // Makes a fuel center active... needs to be called when
 // a segment is loaded from disk.
-void fuelcen_activate( vsegptridx_t segp, int station_type );
+void fuelcen_activate(vsegptridx_t segp);
 // Deletes a segment as a fuel center.
 void fuelcen_delete(vsegptr_t segp);
 
diff --git a/similar/editor/centers.cpp b/similar/editor/centers.cpp
index aa0c11d71..7ffa43b00 100644
--- a/similar/editor/centers.cpp
+++ b/similar/editor/centers.cpp
@@ -206,7 +206,8 @@ window_event_result centers_dialog_handler(UI_DIALOG *dlg,const d_event &event,
 			{
 				fuelcen_delete(Cursegp);
 				Update_flags |= UF_WORLD_CHANGED;
-				fuelcen_activate( Cursegp, i );
+				Cursegp->special = i;
+				fuelcen_activate(Cursegp);
 			}
 			rval = window_event_result::handled;
 		}
diff --git a/similar/editor/group.cpp b/similar/editor/group.cpp
index ef31d2cdf..219f0e991 100644
--- a/similar/editor/group.cpp
+++ b/similar/editor/group.cpp
@@ -1238,7 +1238,7 @@ static int med_load_group( const char *filename, group::vertex_array_type_t &ver
 			*segp = tseg; 
 			segp->objects = object_none;
 
-			fuelcen_activate(segp, segp->special);
+			fuelcen_activate(segp);
 			}
 
 		range_for (const auto &gs, segment_ids)
diff --git a/similar/editor/med.cpp b/similar/editor/med.cpp
index 8573331c8..f7fd56286 100644
--- a/similar/editor/med.cpp
+++ b/similar/editor/med.cpp
@@ -438,7 +438,7 @@ int SetPlayerFromCurseg()
 int fuelcen_create_from_curseg()
 {
 	Cursegp->special = SEGMENT_IS_FUELCEN;
-	fuelcen_activate(Cursegp, Cursegp->special);
+	fuelcen_activate(Cursegp);
 	return 1;
 }
 
@@ -453,14 +453,14 @@ int repaircen_create_from_curseg()
 int controlcen_create_from_curseg()
 {
 	Cursegp->special = SEGMENT_IS_CONTROLCEN;
-	fuelcen_activate(Cursegp, Cursegp->special);
+	fuelcen_activate(Cursegp);
 	return 1;
 }
 
 int robotmaker_create_from_curseg()
 {
 	Cursegp->special = SEGMENT_IS_ROBOTMAKER;
-	fuelcen_activate(Cursegp, Cursegp->special);
+	fuelcen_activate(Cursegp);
 	return 1;
 }
 
diff --git a/similar/main/fuelcen.cpp b/similar/main/fuelcen.cpp
index bef07b3a9..145a9dd25 100644
--- a/similar/main/fuelcen.cpp
+++ b/similar/main/fuelcen.cpp
@@ -188,15 +188,12 @@ static void matcen_create(const vsegptridx_t segp)
 
 //------------------------------------------------------------
 // Adds a segment that already is a special type into the Station array.
-void fuelcen_activate(const vsegptridx_t segp, int station_type )
+void fuelcen_activate(const vsegptridx_t segp)
 {
-	segp->special = station_type;
-
 	if (segp->special == SEGMENT_IS_ROBOTMAKER)
 		matcen_create( segp);
 	else
 		fuelcen_create( segp);
-	
 }
 
 //	The lower this number is, the more quickly the center can be re-triggered.
diff --git a/similar/main/gamemine.cpp b/similar/main/gamemine.cpp
index 469fce310..405c72e15 100644
--- a/similar/main/gamemine.cpp
+++ b/similar/main/gamemine.cpp
@@ -668,7 +668,7 @@ int load_mine_data(PHYSFS_File *LoadFile)
 				i->matcen_num = v16_seg.matcen_num;
 				i->static_light = v16_seg.static_light;
 #endif
-				fuelcen_activate(i, i->special);
+				fuelcen_activate(i);
 			}
 			else 
 				Error("Invalid mine version");
@@ -709,7 +709,7 @@ int load_mine_data(PHYSFS_File *LoadFile)
 			range_for (const auto &&segp, vsegptridx)
 			{
 				segment2_read(segp, LoadFile);
-				fuelcen_activate(segp, segp->special);
+				fuelcen_activate(segp);
 			}
 #endif
 	}
@@ -1020,7 +1020,7 @@ int load_mine_data_compiled(PHYSFS_File *LoadFile)
 		const auto &&pi = vsegptridx(&i);
 		if (Gamesave_current_version > 5)
 			segment2_read(pi, LoadFile);
-		fuelcen_activate(pi, i.special );
+		fuelcen_activate(pi);
 	}
 
 	reset_objects(1);		//one object, the player