diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7e7a2c0d1a..edbba7fd8b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2021-03-08  Tom Tromey  <tom@tromey.com>
+
+	* parser-defs.h (exp_uses_objfile): Return bool.
+	* parse.c (exp_uses_objfile): Return bool.
+
 2021-03-08  Tom Tromey  <tom@tromey.com>
 
 	* value.h (eval_skip_value): Don't declare.
diff --git a/gdb/parse.c b/gdb/parse.c
index 056dee18d0..966b27e564 100644
--- a/gdb/parse.c
+++ b/gdb/parse.c
@@ -641,11 +641,11 @@ parser_fprintf (FILE *x, const char *y, ...)
   va_end (args);
 }
 
-/* Return 1 if EXP uses OBJFILE (and will become dangling when OBJFILE
-   is unloaded), otherwise return 0.  OBJFILE must not be a separate debug info
-   file.  */
+/* Return rue if EXP uses OBJFILE (and will become dangling when
+   OBJFILE is unloaded), otherwise return false.  OBJFILE must not be
+   a separate debug info file.  */
 
-int
+bool
 exp_uses_objfile (struct expression *exp, struct objfile *objfile)
 {
   gdb_assert (objfile->separate_debug_objfile_backlink == NULL);
diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h
index 22768215a2..8ff9da63d4 100644
--- a/gdb/parser-defs.h
+++ b/gdb/parser-defs.h
@@ -376,7 +376,7 @@ extern bool parse_float (const char *p, int len,
 
 extern void parser_fprintf (FILE *, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
 
-extern int exp_uses_objfile (struct expression *exp, struct objfile *objfile);
+extern bool exp_uses_objfile (struct expression *exp, struct objfile *objfile);
 
 #endif /* PARSER_DEFS_H */