diff --git a/src/homedir.c b/src/homedir.c
index 507dd58f121c8bf5286a506e4bd89a2c3fce7b6a..f9062e8b49e3fd5c5ee9fb5b38f454fdad0a892d 100644
--- a/src/homedir.c
+++ b/src/homedir.c
@@ -45,7 +45,7 @@
 #endif
 
 static
-char *GetEnv(const char *variable, bool do_expand)
+char *GetEnv(const char *variable, char do_expand)
 {
   char *env = NULL;
 #ifdef WIN32