diff --git a/libavutil/arm/bswap.h b/libavutil/arm/bswap.h
index d7ee84fedc..87dd8dd06c 100644
--- a/libavutil/arm/bswap.h
+++ b/libavutil/arm/bswap.h
@@ -27,7 +27,7 @@
 
 #if HAVE_ARMV6
 #define bswap_16 bswap_16
-static av_always_inline av_const uint16_t bswap_16(uint16_t x)
+static av_always_inline av_const unsigned bswap_16(unsigned x)
 {
     __asm { rev16 x, x }
     return x;
@@ -44,7 +44,7 @@ static av_always_inline av_const uint32_t bswap_32(uint32_t x)
 
 #if HAVE_ARMV6
 #define bswap_16 bswap_16
-static av_always_inline av_const uint16_t bswap_16(uint16_t x)
+static av_always_inline av_const unsigned bswap_16(unsigned x)
 {
     __asm__("rev16 %0, %0" : "+r"(x));
     return x;