diff --git a/libavutil/float_dsp.h b/libavutil/float_dsp.h
index f2b90a4848..b215dad42f 100644
--- a/libavutil/float_dsp.h
+++ b/libavutil/float_dsp.h
@@ -19,6 +19,8 @@
 #ifndef AVUTIL_FLOAT_DSP_H
 #define AVUTIL_FLOAT_DSP_H
 
+#include "config.h"
+
 typedef struct AVFloatDSPContext {
     /**
      * Calculate the product of two vectors of floats and store the result in