diff --git a/which/tilde/tilde.c b/which/tilde/tilde.c
index 1b76c9f..b59b502 100644
--- a/which/tilde/tilde.c
+++ b/which/tilde/tilde.c
@@ -196,7 +196,7 @@ tilde_expand (string)
   int result_size, result_index;
 
   result_index = result_size = 0;
-  if (result = strchr (string, '~'))
+  if ((result = strchr (string, '~')))
     result = (char *)xmalloc (result_size = (strlen (string) + 16));
   else
     result = (char *)xmalloc (result_size = (strlen (string) + 1));
diff --git a/which/which.c b/which/which.c
index 33a4178..fe2afda 100644
--- a/which/which.c
+++ b/which/which.c
@@ -552,7 +552,7 @@ int main(int argc, char *argv[])
     while (fgets(buf, sizeof(buf), stdin))
     {
       int looks_like_function_start = 0;
-      int function_start_has_declare;
+      int function_start_has_declare = 0;
       if (read_functions)
       {
 	// bash version 2.0.5a and older output a pattern for `str' like