diff --git a/libswscale/x86/yuv2rgb_template.c b/libswscale/x86/yuv2rgb_template.c
index 5c062c10d4..8050932d1d 100644
--- a/libswscale/x86/yuv2rgb_template.c
+++ b/libswscale/x86/yuv2rgb_template.c
@@ -407,6 +407,7 @@ static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t *src[],
     YUV2RGB_OPERANDS_ALPHA
     YUV2RGB_ENDFUNC
 #endif
+    return 0;
 }
 
 static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t *src[],
@@ -450,4 +451,5 @@ static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t *src[],
     YUV2RGB_OPERANDS_ALPHA
     YUV2RGB_ENDFUNC
 #endif
+    return 0;
 }