diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index a578d41f28..57a3afc6b1 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -434,9 +434,12 @@ void hexdump(const void *memory, size_t length);
 void fatal(const char *msg) __attribute__((noreturn));
 
 /* Count Leading Zeroes: clz(0) == 32, clz(0xf) == 28, clz(1 << 31) == 0 */
-static inline int clz(u32 x) { return x ? __builtin_clz(x) : sizeof(x) * 8; }
+static inline int clz(u32 x)
+{
+	return x ? __builtin_clz(x) : (int)sizeof(x) * 8;
+}
 /* Integer binary logarithm (rounding down): log2(0) == -1, log2(5) == 2 */
-static inline int log2(u32 x) { return sizeof(x) * 8 - clz(x) - 1; }
+static inline int log2(u32 x) { return (int)sizeof(x) * 8 - clz(x) - 1; }
 /* Find First Set: __ffs(0xf) == 0, __ffs(0) == -1, __ffs(1 << 31) == 31 */
 static inline int __ffs(u32 x) { return log2(x & (u32)(-(s32)x)); }
 /** @} */