diff --git a/repos/libports/include/qt5_component/qpa_init.h b/repos/libports/include/qt5_component/qpa_init.h
index 0a41ca9fee..31638cfece 100644
--- a/repos/libports/include/qt5_component/qpa_init.h
+++ b/repos/libports/include/qt5_component/qpa_init.h
@@ -20,6 +20,7 @@
 /* libc includes */
 #include <dlfcn.h>  /* 'dlopen'  */
 #include <stdio.h>  /* 'fprintf' */
+#include <stdlib.h> /* 'exit'    */
 #include <unistd.h> /* 'access'  */
 
 /**