diff --git a/include/cutils/tztime.h b/include/cutils/tztime.h
index 9b3ece8..4af2ce4 100644
--- a/include/cutils/tztime.h
+++ b/include/cutils/tztime.h
@@ -17,6 +17,8 @@
 #ifndef _CUTILS_TZTIME_H
 #define _CUTILS_TZTIME_H
 
+#include <time.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -24,6 +26,9 @@
 time_t mktime_tz(struct tm * const tmp, char const * tz);
 void localtime_tz(const time_t * const timep, struct tm * tmp, const char* tz);
 
+#ifndef HAVE_ANDROID_OS
+/* the following is defined in <time.h> in Bionic */
+
 struct strftime_locale {
     const char *mon[12];    /* short names */
     const char *month[12];  /* long names */
@@ -39,6 +44,8 @@
 
 size_t strftime_tz(char *s, size_t max, const char *format, const struct tm *tm, const struct strftime_locale *locale);
 
+#endif /* !HAVE_ANDROID_OS */
+
 #ifdef __cplusplus
 }
 #endif