diff --git a/libavutil/eval.c b/libavutil/eval.c
index 67b0a5f8cd..99993b9d49 100644
--- a/libavutil/eval.c
+++ b/libavutil/eval.c
@@ -86,6 +86,7 @@ static const struct {
     { "E",   M_E   },
     { "PI",  M_PI  },
     { "PHI", M_PHI },
+    { "QP2LAMBDA", FF_QP2LAMBDA },
 };
 
 double av_strtod(const char *numstr, char **tail)
diff --git a/libavutil/opt.c b/libavutil/opt.c
index 56ed4ebb90..9ea4aa50ed 100644
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@@ -132,14 +132,12 @@ static int write_number(void *obj, const AVOption *o, void *dst, double num, int
 static const double const_values[] = {
     M_PI,
     M_E,
-    FF_QP2LAMBDA,
     0
 };
 
 static const char * const const_names[] = {
     "PI",
     "E",
-    "QP2LAMBDA",
     0
 };