diff --git a/src/shared/password-quality-util-passwdqc.h b/src/shared/password-quality-util-passwdqc.h
index 11d756d255..784e75ef23 100644
--- a/src/shared/password-quality-util-passwdqc.h
+++ b/src/shared/password-quality-util-passwdqc.h
@@ -5,6 +5,7 @@
 
 #if HAVE_PASSWDQC
 #include <passwdqc.h>
+#include "dlfcn-util.h"
 
 DLSYM_PROTOTYPE(passwdqc_params_reset);
 DLSYM_PROTOTYPE(passwdqc_params_load);