diff --git a/kpdf/Makefile.am b/kpdf/Makefile.am
index d10ca23af..620d9bdaf 100644
--- a/kpdf/Makefile.am
+++ b/kpdf/Makefile.am
@@ -27,6 +27,7 @@ bin_PROGRAMS = kpdf
 kpdf_SOURCES = main.cpp kpdf_shell.cpp
 kpdf_LDFLAGS = $(KDE_RPATH) $(all_libraries)
 kpdf_LDADD   = $(LIB_KPARTS)
+kpdf_COMPILE_FIRST = ../aconf.h
 
 EXTRA_DIST = kpdf.desktop
 xdg_apps_DATA = kpdf.desktop