1 files changed, 1 insertions, 1 deletions
diff --git a/src/sfac.h b/src/sfac.h
index f6b4874f..54104700 100644
--- a/src/sfac.h
+++ b/src/sfac.h
@@ -58,7 +58,7 @@ struct molecule
 /* This is so that the water background calculation can use it */
 extern double complex get_sfac(const char *n, double s, double en);
 
-extern struct molecule *load_molecule(void);
+extern struct molecule *load_molecule(const char *filename);
 extern void free_molecule(struct molecule *mol);
 extern double *get_reflections(struct molecule *mol, double en, double res,
                                unsigned int *counts);