diff --git a/defs.h b/defs.h
index 33de96f4..eec0228b 100644
--- a/defs.h
+++ b/defs.h
@@ -556,7 +556,7 @@ extern int printargs_u(struct tcb *);
 extern int printargs_d(struct tcb *);
 
 extern void addflags(const struct xlat *, uint64_t);
-extern int printflags(const struct xlat *, int, const char *);
+extern int printflags64(const struct xlat *, uint64_t, const char *);
 extern const char *sprintflags64(const char *, const struct xlat *, uint64_t);
 extern const char *sprintmode(int);
 extern const char *sprinttime(time_t);
@@ -672,6 +672,12 @@ sprintflags(const char *prefix, const struct xlat *x, unsigned int flags)
 	return sprintflags64(prefix, x, flags);
 }
 
+static inline int
+printflags(const struct xlat *x, unsigned int flags, const char *dflt)
+{
+	return printflags64(x, flags, dflt);
+}
+
 static inline void
 printxval64(const struct xlat *x, const uint64_t val, const char *dflt)
 {
diff --git a/util.c b/util.c
index 671f475c..a9bce998 100644
--- a/util.c
+++ b/util.c
@@ -356,7 +356,7 @@ sprintflags64(const char *prefix, const struct xlat *xlat, uint64_t flags)
 }
 
 int
-printflags(const struct xlat *xlat, int flags, const char *dflt)
+printflags64(const struct xlat *xlat, uint64_t flags, const char *dflt)
 {
 	int n;
 	const char *sep;
@@ -378,12 +378,12 @@ printflags(const struct xlat *xlat, int flags, const char *dflt)
 
 	if (n) {
 		if (flags) {
-			tprintf("%s%#x", sep, flags);
+			tprintf("%s%#" PRIx64, sep, flags);
 			n++;
 		}
 	} else {
 		if (flags) {
-			tprintf("%#x", flags);
+			tprintf("%#" PRIx64, flags);
 			if (dflt)
 				tprintf(" /* %s */", dflt);
 		} else {