--- postgresql-9.3.0/src/interfaces/ecpg/include/Makefile~	2013-09-02 22:53:17.000000000 +0200
+++ postgresql-9.3.0/src/interfaces/ecpg/include/Makefile	2013-09-10 08:27:36.147290881 +0200
@@ -19,12 +19,12 @@
 informix_headers = datetime.h decimal.h sqltypes.h
 
 install-headers: $(ecpg_headers) $(informix_headers) installdirs
-	$(INSTALL_DATA) $(addprefix $(srcdir)/,$(ecpg_headers)) '$(DESTDIR)$(includedir)/'
-	$(INSTALL_DATA) $(addprefix $(srcdir)/,$(informix_headers)) '$(DESTDIR)$(informix_esql_dir)/'
+	$(INSTALL_DATA) $(addprefix $(srcdir)/,$(ecpg_headers)) '$(DESTDIR)$(includedir)/ecpg/'
+	$(INSTALL_DATA) $(addprefix $(srcdir)/,$(informix_headers)) '$(DESTDIR)$(includedir)/ecpg/'
 	$(INSTALL_DATA) $(ecpg_config_h) '$(DESTDIR)$(includedir)'
 
 installdirs:
-	$(MKDIR_P) '$(DESTDIR)$(includedir)' '$(DESTDIR)$(informix_esql_dir)'
+	$(MKDIR_P) '$(DESTDIR)$(includedir)/ecpg'
 
 uninstall:
 	rm -f $(addprefix '$(DESTDIR)$(includedir)'/, $(ecpg_headers))