diff --git a/libavcodec/x86/dct32_sse.c b/libavcodec/x86/dct32_sse.c
index 216a5efb6e..155d7e90bd 100644
--- a/libavcodec/x86/dct32_sse.c
+++ b/libavcodec/x86/dct32_sse.c
@@ -289,6 +289,8 @@ void ff_dct32_float_sse(FFTSample *out, const FFTSample *in)
         :"+&r"(tmp1)
         :"r"(out), "r"(b1), "r"(smask), "r"(in)
         :"memory"
+         XMM_CLOBBERS(, "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+                        "%xmm4", "%xmm5", "%xmm6", "%xmm7")
         );
 }