diff -Naur Gemas-0.4.orig/Bundle/Gemas/GNUmakefile Gemas-0.4/Bundle/Gemas/GNUmakefile
--- Gemas-0.4.orig/Bundle/Gemas/GNUmakefile	2013-12-24 18:51:16.000000000 +0100
+++ Gemas-0.4/Bundle/Gemas/GNUmakefile	2014-02-10 10:50:45.331011111 +0100
@@ -10,7 +10,7 @@
 BUNDLE_NAME = Gemas
 BUNDLE_EXTENSION = .editor
 Gemas_PRINCIPAL_CLASS = GemasEditor
-Gemas_INSTALL_DIR=$(GNUSTEP_LOCAL_APPS)/ProjectCenter.app/Resources
+Gemas_INSTALL_DIR=${DESTDIR}/$(GNUSTEP_SYSTEM_APPS)/ProjectCenter.app/Resources
 
 #
 # Additional libraries
diff -Naur Gemas-0.4.orig/Bundle/Gemas/GNUmakefile.preamble Gemas-0.4/Bundle/Gemas/GNUmakefile.preamble
--- Gemas-0.4.orig/Bundle/Gemas/GNUmakefile.preamble	2013-12-24 18:51:16.000000000 +0100
+++ Gemas-0.4/Bundle/Gemas/GNUmakefile.preamble	2014-02-10 10:50:50.622016109 +0100
@@ -15,7 +15,7 @@
 ADDITIONAL_LDFLAGS +=
 
 # Additional include directories the compiler should search
-ADDITIONAL_INCLUDE_DIRS +=-I$(GNUSTEP_LOCAL_HEADERS)/ProjectCenter
+ADDITIONAL_INCLUDE_DIRS +=-I$(GNUSTEP_SYSTEM_HEADERS)/ProjectCenter
 
 # Additional library directories the linker should search
 ADDITIONAL_LIB_DIRS += -L./HighlighterKit/HighlighterKit.framework