diff --git a/src/feedback/GEAR/initial_mass_function.c b/src/feedback/GEAR/initial_mass_function.c
index 62d1d63a46f3c9ab3ab2ebe3b9b72572f34fe6de..baa3dab215845a3146b6756af126fb246295c773 100644
--- a/src/feedback/GEAR/initial_mass_function.c
+++ b/src/feedback/GEAR/initial_mass_function.c
@@ -21,6 +21,7 @@
 #include "initial_mass_function.h"
 #include "exp10.h"
 
+#include "exp10.h"
 #include "hdf5_functions.h"
 #include "stellar_evolution_struct.h"
 
diff --git a/src/feedback/GEAR/stellar_evolution.c b/src/feedback/GEAR/stellar_evolution.c
index ffbb1d59512984da7bfe8806fe438bd400a285fd..57babf307768659fa6b9600405541fc8d5fb4c1e 100644
--- a/src/feedback/GEAR/stellar_evolution.c
+++ b/src/feedback/GEAR/stellar_evolution.c
@@ -21,6 +21,7 @@
 #include "stellar_evolution.h"
 
 /* Include local headers */
+#include "exp10.h"
 #include "hdf5_functions.h"
 #include "initial_mass_function.h"
 #include "lifetime.h"