diff --git a/lib/backends/chiasmus/Makefile.am b/lib/backends/chiasmus/Makefile.am
index 6077f6151..8a5d85bd4 100644
--- a/lib/backends/chiasmus/Makefile.am
+++ b/lib/backends/chiasmus/Makefile.am
@@ -1,16 +1,16 @@
-INCLUDES = -I$(top_srcdir)/certmanager/lib -I$(top_srcdir)/libkdenetwork $(all_includes)
+INCLUDES = -I$(top_srcdir)/certmanager/lib -I$(top_srcdir)/libkdenetwork $(GPGME_CFLAGS) $(all_includes)
 
 KDE_CXXFLAGS = '-DGPG_ERR_SOURCE_DEFAULT=((gpg_err_source_t)176)'
 
 noinst_LTLIBRARIES = libkleopatra_backend_chiasmus.la
 
 libkleopatra_backend_chiasmus_la_SOURCES = \
                         config_data.c \
                         obtainkeysjob.cpp \
                         symcryptrunprocessbase.cpp \
                         chiasmusjob.cpp \
                         chiasmuslibrary.cpp \
                         chiasmusbackend.cpp
 
 
 METASOURCES = AUTO