diff --git a/src/Makefile.am b/src/Makefile.am
index 7ac5954ebf85818090065f50d6ab46ccb0786d62..9bf49f91cde60f50accb977e30cdb31ad21d83df 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -50,8 +50,8 @@ include_HEADERS = space.h runner.h queue.h task.h lock.h cell.h part.h const.h \
     chemistry.h chemistry_io.h chemistry_struct.h cosmology.h restart.h space_getsid.h utilities.h \
     mesh_gravity.h cbrt.h exp10.h velociraptor_interface.h swift_velociraptor_part.h outputlist.h \
     logger_io.h tracers_io.h tracers.h tracers_struct.h star_formation_io.h \
-    star_formation_struct.h star_formation.h velociraptor_struct.h velociraptor_io.h \
-    random.h
+    star_formation_struct.h star_formation.h star_formation_struct.h \
+    velociraptor_struct.h velociraptor_io.h random.h
 
 # source files for EAGLE cooling
 EAGLE_COOLING_SOURCES =
@@ -143,11 +143,11 @@ nobase_noinst_HEADERS = align.h approx_math.h atomic.h barrier.h cycle.h error.h
                  potential/isothermal/potential.h potential/disc_patch/potential.h \
                  potential/sine_wave/potential.h \
 		 star_formation/none/star_formation.h star_formation/none/star_formation_struct.h \
-		 star_formation/none/star_formation_io.h \
+		 star_formation/none/star_formation_io.h star_formation/none/star_formation_iact.h \
 		 star_formation/EAGLE/star_formation.h star_formation/EAGLE/star_formation_struct.h \
-		 star_formation/EAGLE/star_formation_io.h \
+		 star_formation/EAGLE/star_formation_io.h star_formation/EAGLE/star_formation_iact.h \
 		 star_formation/GEAR/star_formation.h star_formation/GEAR/star_formation_struct.h \
-		 star_formation/GEAR/star_formation_io.h \
+		 star_formation/GEAR/star_formation_io.h star_formation/GEAR/star_formation_iact.h \
 		 cooling/none/cooling.h cooling/none/cooling_struct.h \
                  cooling/none/cooling_io.h \
 		 cooling/Compton/cooling.h cooling/Compton/cooling_struct.h \