diff --git a/clients/Makefile.am b/clients/Makefile.am
index a259b6a6..86a3359d 100644
--- a/clients/Makefile.am
+++ b/clients/Makefile.am
@@ -72,5 +72,5 @@ if HAVE_POPPLER
 poppler_programs = view
 view_SOURCES = view.c
 view_LDADD = $(toolkit_libs) $(POPPLER_LIBS)
-view_CPPFLAGS = $(POPPLER_CFLAGS)
+view_CPPFLAGS = $(AM_CPPFLAGS) $(POPPLER_CFLAGS)
 endif