diff --git a/src/formats.c b/src/formats.c
index f3812a5..9e8da5e 100644
--- a/src/formats.c
+++ b/src/formats.c
@@ -22,6 +22,7 @@
 #include <gapk/formats.h>
 
 /* Extern format descriptors */
+extern const struct format_desc fmt_amr_efr;
 extern const struct format_desc fmt_gsm;
 extern const struct format_desc fmt_hr_ref_dec;
 extern const struct format_desc fmt_hr_ref_enc;
@@ -31,6 +32,7 @@
 
 static const struct format_desc *supported_formats[_FMT_MAX] = {
 	[FMT_INVALID]		= NULL,
+	[FMT_AMR_EFR]		= &fmt_amr_efr,
 	[FMT_GSM]		= &fmt_gsm,
 	[FMT_HR_REF_DEC]	= &fmt_hr_ref_dec,
 	[FMT_HR_REF_ENC]	= &fmt_hr_ref_enc,