diff --git a/configure b/configure
index 9e58c51cfa..813d34e232 100755
--- a/configure
+++ b/configure
@@ -5110,7 +5110,9 @@ enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&
 enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas
 enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create
 enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
-enabled libfdk_aac        && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
+enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
+                               { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
+                                 warn "using libfdk without pkg-config"; } }
 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
 enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs
 enabled fontconfig        && enable libfontconfig