diff --git a/lib/libcoolstream/Makefile.am b/lib/libcoolstream/Makefile.am
index 5ec578329..eaa9c7d79 100644
--- a/lib/libcoolstream/Makefile.am
+++ b/lib/libcoolstream/Makefile.am
@@ -2,7 +2,7 @@ noinst_LIBRARIES = libhwcaps.a
 
 AM_CXXFLAGS = -fno-rtti -fno-exceptions -fno-strict-aliasing
 
-INCLUDES = -I$(top_srcdir)/lib/libcoolstream
+AM_CPPFLAGS = -I$(top_srcdir)/lib/libcoolstream
 
 libhwcaps_a_SOURCES = \
 	hardware_caps.cpp
diff --git a/src/lcddisplay/Makefile.am b/src/lcddisplay/Makefile.am
index e76e43730..fe66146cf 100644
--- a/src/lcddisplay/Makefile.am
+++ b/src/lcddisplay/Makefile.am
@@ -2,7 +2,7 @@ noinst_LIBRARIES = liblcddisplay.a
 
 liblcddisplay_a_SOURCES = lcddisplay.cpp fontrenderer.cpp
 
-INCLUDES = \
+AM_CPPFLAGS = \
 	-I$(top_builddir)
 
 AM_CXXFLAGS = \