diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
index cfb5b00937..4376ed8958 100644
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@@ -481,7 +481,7 @@ libs_aggregator_CFLAGS = \
 elements_compositor_LDADD = $(LDADD)  $(GST_BASE_LIBS)
 elements_compositor_CFLAGS = $(GST_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
 
-elements_hlsdemux_m3u8_CFLAGS = $(GST_BASE_CFLAGS) $(AM_CFLAGS) -I$(top_builddir)/ext/hls
+elements_hlsdemux_m3u8_CFLAGS = $(GST_BASE_CFLAGS) $(AM_CFLAGS) -I$(top_srcdir)/ext/hls
 elements_hlsdemux_m3u8_LDADD = $(GST_BASE_LIBS) $(LDADD) \
 			  $(top_builddir)/ext/hls/m3u8.c
 elements_hlsdemux_m3u8_SOURCES = elements/hlsdemux_m3u8.c