diff --git a/apex/builder.go b/apex/builder.go
index 0a1ec3e..160d3bb 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -193,7 +193,7 @@
 	// collect jniLibs. Notice that a.filesInfo is already sorted
 	var jniLibs []string
 	for _, fi := range a.filesInfo {
-		if fi.isJniLib {
+		if fi.isJniLib && !android.InList(fi.Stem(), jniLibs) {
 			jniLibs = append(jniLibs, fi.Stem())
 		}
 	}