diff --git a/src/pulse/format.c b/src/pulse/format.c
index b909eea39..05a99a287 100644
--- a/src/pulse/format.c
+++ b/src/pulse/format.c
@@ -47,6 +47,7 @@ static const char* const _encoding_str_table[]= {
     [PA_ENCODING_EAC3_IEC61937] = "eac3-iec61937",
     [PA_ENCODING_MPEG_IEC61937] = "mpeg-iec61937",
     [PA_ENCODING_DTS_IEC61937] = "dts-iec61937",
+    [PA_ENCODING_MPEG2_AAC_IEC61937] = "mpeg2-aac-iec61937",
     [PA_ENCODING_ANY] = "any",
 };
 
diff --git a/src/pulse/format.h b/src/pulse/format.h
index 469477352..f59408e99 100644
--- a/src/pulse/format.h
+++ b/src/pulse/format.h
@@ -55,6 +55,9 @@ typedef enum pa_encoding {
     PA_ENCODING_DTS_IEC61937,
     /**< DTS data encapsulated in IEC 61937 header/padding */
 
+    PA_ENCODING_MPEG2_AAC_IEC61937,
+    /**< MPEG-2 AAC data encapsulated in IEC 61937 header/padding. \since 4.0 */
+
     PA_ENCODING_MAX,
     /**< Valid encoding types must be less than this value */