diff --git a/configure b/configure
index 2810a036c4..d4a86c0abb 100755
--- a/configure
+++ b/configure
@@ -2570,16 +2570,13 @@ drawtext_filter_deps="libfreetype"
 ebur128_filter_deps="gpl"
 flite_filter_deps="libflite"
 frei0r_filter_deps="frei0r dlopen"
-frei0r_filter_extralibs='$ldl'
 frei0r_src_filter_deps="frei0r dlopen"
-frei0r_src_filter_extralibs='$ldl'
 geq_filter_deps="gpl"
 histeq_filter_deps="gpl"
 hqdn3d_filter_deps="gpl"
 interlace_filter_deps="gpl"
 kerndeint_filter_deps="gpl"
 ladspa_filter_deps="ladspa dlopen"
-ladspa_filter_extralibs='$ldl'
 mcdeint_filter_deps="avcodec gpl"
 movie_filter_deps="avcodec avformat"
 mp_filter_deps="gpl avcodec swscale"
@@ -4651,6 +4648,10 @@ elif check_func dlopen -ldl; then
     ldl=-ldl
 fi
 
+frei0r_filter_extralibs='$ldl'
+frei0r_src_filter_extralibs='$ldl'
+ladspa_filter_extralibs='$ldl'
+
 if ! disabled network; then
     check_func getaddrinfo $network_extralibs
     check_func getservbyport $network_extralibs