diff --git a/ext/cityhash/city.cpp b/ext/cityhash/city.cpp
index 54cc2a727c..c1c932366c 100644
--- a/ext/cityhash/city.cpp
+++ b/ext/cityhash/city.cpp
@@ -58,6 +58,9 @@ static uint32 UNALIGNED_LOAD32(const char *p) {
 #define bswap_32(x) OSSwapInt32(x)
 #define bswap_64(x) OSSwapInt64(x)
 #else
+#if defined(ANDROID) && !defined(UINT64_C)
+#define UINT64_C(c) static_cast<unsigned long long>(c ## ULL)
+#endif
 #define bswap_32(x) (0 | ((x & 0x000000ff) << 24) \
                        | ((x & 0x0000ff00) << 8)  \
                        | ((x & 0x00ff0000) >> 8)  \