diff --git a/d2common/d2fileformats/d2mpq/mpq_stream.go b/d2common/d2fileformats/d2mpq/mpq_stream.go
index fca933b2..24ebc295 100644
--- a/d2common/d2fileformats/d2mpq/mpq_stream.go
+++ b/d2common/d2fileformats/d2mpq/mpq_stream.go
@@ -191,11 +191,8 @@ func decompressMulti(data []byte, expectedLength uint32) []byte {
 		panic("bzip2 decompression not supported")
 	case 0x80: // IMA ADPCM Stereo
 		return d2compression.WavDecompress(data[1:], 2)
-		//return MpqWavCompression.Decompress(sinput, 2);
-		//panic("ima adpcm sterio decompression not supported")
 	case 0x40: // IMA ADPCM Mono
-		//return MpqWavCompression.Decompress(sinput, 1)
-		panic("mpq wav decompression not supported")
+		return d2compression.WavDecompress(data[1:], 1)
 	case 0x12:
 		panic("lzma decompression not supported")
 	// Combos
diff --git a/main.go b/main.go
index a20788b4..a4473818 100644
--- a/main.go
+++ b/main.go
@@ -83,7 +83,10 @@ func main() {
 	}
 
 	if len(*profileOption) > 0 {
-		enableProfiler(*profileOption)
+		profiler := enableProfiler(*profileOption)
+		if profiler != nil {
+			defer profiler.Stop()
+		}
 	}
 
 	if *region == 0 {
@@ -457,7 +460,7 @@ func loadStrings() error {
 	return nil
 }
 
-func enableProfiler(profileOption string) {
+func enableProfiler(profileOption string) interface{ Stop() } {
 	var options []func(*profile.Profile)
 	switch strings.ToLower(strings.Trim(profileOption, " ")) {
 	case "cpu":
@@ -485,6 +488,7 @@ func enableProfiler(profileOption string) {
 	options = append(options, profile.ProfilePath("./pprof/"))
 
 	if len(options) > 1 {
-		defer profile.Start(options...).Stop()
+		return profile.Start(options...)
 	}
+	return nil
 }