diff --git a/main/faac/APKBUILD b/main/faac/APKBUILD
index 2de4bd953bb..1e196aac4a7 100644
--- a/main/faac/APKBUILD
+++ b/main/faac/APKBUILD
@@ -14,7 +14,9 @@ source="http://downloads.sourceforge.net/sourceforge/$pkgname/$pkgname-$pkgver.t
 prepare() {
         cd "$srcdir/$pkgname-$pkgver"
 	#taken from http://bugs.sourcemage.org/show_bug.cgi?id=15263
-	sed -i "s/^\(.*strcasestr\)/\/\/ This is in libc and conflicts: \1 /" common/mp4v2/mpeg4ip.h
+	[ "$ALPINE_LIBC" = "eglibc" ] && sed -i \
+		"s/^\(.*strcasestr\)/\/\/ This is in libc and conflicts: \1 /" \
+		common/mp4v2/mpeg4ip.h
 }
 
 build() {