diff --git a/libavcodec/opustab.c b/libavcodec/opustab.c
index 47624fe651..917375253e 100644
--- a/libavcodec/opustab.c
+++ b/libavcodec/opustab.c
@@ -1164,7 +1164,7 @@ const uint32_t * const ff_celt_pvq_u_row[15] = {
  * libopus uses a slighly rounded constant, set to 0.85 exactly,
  * to simplify its fixed-point version, but it's not significant to impact
  * compliance. */
-#define CELT_EMPH_COEFF 0.8500061035f
+#define CELT_EMPH_COEFF 0.8500061035
 
 DECLARE_ALIGNED(16, const float, ff_opus_deemph_weights)[] = {
     CELT_EMPH_COEFF,