diff --git a/Makefile.am b/Makefile.am
index 25c2b041715653196640808685953d0468a7574d..45da4f57df8ff7f6a3948816793957a64c8faea9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,7 +3,7 @@
 NAME = libSKP_SILK_SDK
 AM_CPPFLAGS = $(AM_CFLAGS)
 
-INCLUDES = -Isrc_FLP -Isrc_SigProc_FIX -Isrc_SigProc_FLP -Isrc_common -Iinterface -I../celt/libcelt
+INCLUDES = -I$(top_srcdir)/src_FLP -I$(top_srcdir)/src_SigProc_FIX -I$(top_srcdir)/src_SigProc_FLP -I$(top_srcdir)/src_common -I$(top_srcdir)/interface -I$(top_srcdir)/../celt/libcelt
 EXTRA_DIST = Silk_FLP.sln \
 Silk_FLP.sln \
 src_FIX/Silk_FIX.vcproj \