diff --git a/pkg/obiformats/ngsfilter_read.go b/pkg/obiformats/ngsfilter_read.go
index df73a71..57075c0 100644
--- a/pkg/obiformats/ngsfilter_read.go
+++ b/pkg/obiformats/ngsfilter_read.go
@@ -568,6 +568,8 @@ func ReadCSVNGSFilter(reader io.Reader) (*obingslibrary.NGSLibrary, error) {
 	for i = 0; i < len(records) && records[i][0] == "@param"; i++ {
 	}
 
+	log.Infof("%d parameters found", i)
+
 	params := records[0:i]
 	records = records[i:]
 
diff --git a/pkg/obioptions/version.go b/pkg/obioptions/version.go
index 6c16263..c4d4a1a 100644
--- a/pkg/obioptions/version.go
+++ b/pkg/obioptions/version.go
@@ -8,7 +8,7 @@ import (
 // corresponds to the last commit, and not the one when the file will be
 // commited
 
-var _Commit = "730d448"
+var _Commit = "7a6d552"
 var _Version = "Release 4.4.0"
 
 // Version returns the version of the obitools package.
diff --git a/pkg/obiutils/mimetypes.go b/pkg/obiutils/mimetypes.go
index d2a14f4..52cf083 100644
--- a/pkg/obiutils/mimetypes.go
+++ b/pkg/obiutils/mimetypes.go
@@ -78,7 +78,11 @@ func RegisterOBIMimeType() {
 		}
 
 		fastqDetector := func(raw []byte, limit uint32) bool {
-			ok, err := regexp.Match("^@[^ ].*\n[A-Za-z.-]+\n\\+", raw)
+			ok, err := regexp.Match("^@[^ ].*\n[A-Za-z.-]+", raw)
+			if ok && err == nil {
+				ok, err = regexp.Match("^@param,[^ ]", raw)
+				ok = !ok
+			}
 			return ok && err == nil
 		}