diff --git a/PCBaseFileTypes/GNUmakefile b/PCBaseFileTypes/GNUmakefile
index b0606d5..5f7c92f 100644
--- a/PCBaseFileTypes/GNUmakefile
+++ b/PCBaseFileTypes/GNUmakefile
@@ -9,11 +9,14 @@
 #
 
 include $(GNUSTEP_MAKEFILES)/common.make
-#
 
+
+#
 # Subprojects
 #
 
+
+
 #
 # Bundle
 #
@@ -21,17 +24,17 @@ include $(GNUSTEP_MAKEFILES)/common.make
 PACKAGE_NAME=PCBaseFileTypes
 BUNDLE_NAME=PCBaseFileTypes
 BUNDLE_EXTENSION=.bundle
-BUNDLE_INSTALL_DIR=$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter
+BUNDLE_INSTALL_DIR=$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter
 PCBaseFileTypes_PRINCIPAL_CLASS=PCBaseFileType
-#
 
+
+#
 # Additional libraries
 #
 
 PCBaseFileTypes_LIBRARIES_DEPEND_UPON += -lProjectCenter 
 
 #
-
 # Resource files
 #
 
@@ -45,7 +48,6 @@ nsviewclass.template \
 nsviewheader.template 
 
 #
-
 # Header files
 #
 
@@ -53,7 +55,6 @@ PCBaseFileTypes_HEADERS= \
 PCBaseFileType.h 
 
 #
-
 # Class files
 #
 
@@ -61,7 +62,6 @@ PCBaseFileTypes_OBJC_FILES= \
 PCBaseFileType.m 
 
 #
-
 # C files
 #
 
diff --git a/PCBaseFileTypes/PCBaseFileTypes.pcproj b/PCBaseFileTypes/PCBaseFileTypes.pcproj
index bdc345a..144673f 100644
--- a/PCBaseFileTypes/PCBaseFileTypes.pcproj
+++ b/PCBaseFileTypes/PCBaseFileTypes.pcproj
@@ -18,7 +18,7 @@
     );
     IMAGES = (
     );
-    INSTALLDIR = "$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter";
+    INSTALLDIR = "$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter";
     INTERFACES = (
     );
     LANGUAGE = English;
diff --git a/PCBundleProj/GNUmakefile b/PCBundleProj/GNUmakefile
index 1cba23a..b558d1e 100644
--- a/PCBundleProj/GNUmakefile
+++ b/PCBundleProj/GNUmakefile
@@ -9,11 +9,14 @@
 #
 
 include $(GNUSTEP_MAKEFILES)/common.make
-#
 
+
+#
 # Subprojects
 #
 
+
+
 #
 # Bundle
 #
@@ -21,17 +24,17 @@ include $(GNUSTEP_MAKEFILES)/common.make
 PACKAGE_NAME=PCBundleProj
 BUNDLE_NAME=PCBundleProj
 BUNDLE_EXTENSION=.bundle
-BUNDLE_INSTALL_DIR=$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter
+BUNDLE_INSTALL_DIR=$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter
 PCBundleProj_PRINCIPAL_CLASS=PCBundleProj
-#
 
+
+#
 # Additional libraries
 #
 
 PCBundleProj_LIBRARIES_DEPEND_UPON += -lProjectCenter 
 
 #
-
 # Resource files
 #
 
@@ -39,7 +42,6 @@ PCBundleProj_RESOURCE_FILES= \
 PC.proj 
 
 #
-
 # Header files
 #
 
@@ -48,7 +50,6 @@ PCBundleProject.h \
 PCBundleProj.h 
 
 #
-
 # Class files
 #
 
@@ -57,7 +58,6 @@ PCBundleProject.m \
 PCBundleProj.m 
 
 #
-
 # C files
 #
 
diff --git a/PCBundleProj/PCBundleProj.pcproj b/PCBundleProj/PCBundleProj.pcproj
index 269331d..f3d38de 100644
--- a/PCBundleProj/PCBundleProj.pcproj
+++ b/PCBundleProj/PCBundleProj.pcproj
@@ -20,7 +20,7 @@
     );
     IMAGES = (
     );
-    INSTALLDIR = "$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter";
+    INSTALLDIR = "$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter";
     INTERFACES = (
     );
     LANGUAGE = English;
diff --git a/PCGormProj/GNUmakefile b/PCGormProj/GNUmakefile
index 9c44f14..fe90d3d 100644
--- a/PCGormProj/GNUmakefile
+++ b/PCGormProj/GNUmakefile
@@ -24,7 +24,7 @@ include $(GNUSTEP_MAKEFILES)/common.make
 PACKAGE_NAME=PCGormProj
 BUNDLE_NAME=PCGormProj
 BUNDLE_EXTENSION=.bundle
-BUNDLE_INSTALL_DIR=$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter
+BUNDLE_INSTALL_DIR=$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter
 PCGormProj_PRINCIPAL_CLASS=PCGormProj
 
 
diff --git a/PCGormProj/PCGormProj.pcproj b/PCGormProj/PCGormProj.pcproj
index f8ca56c..1719d67 100644
--- a/PCGormProj/PCGormProj.pcproj
+++ b/PCGormProj/PCGormProj.pcproj
@@ -20,7 +20,7 @@
     );
     IMAGES = (
     );
-    INSTALLDIR = "$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter";
+    INSTALLDIR = "$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter";
     INTERFACES = (
     );
     LANGUAGE = English;
diff --git a/PCLibProj/GNUmakefile b/PCLibProj/GNUmakefile
index 80576f3..d577199 100644
--- a/PCLibProj/GNUmakefile
+++ b/PCLibProj/GNUmakefile
@@ -24,7 +24,7 @@ include $(GNUSTEP_MAKEFILES)/common.make
 PACKAGE_NAME=PCLibProj
 BUNDLE_NAME=PCLibProj
 BUNDLE_EXTENSION=.bundle
-BUNDLE_INSTALL_DIR=$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter
+BUNDLE_INSTALL_DIR=$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter
 PCLibProj_PRINCIPAL_CLASS=PCLibProj
 
 
diff --git a/PCLibProj/PCLibProj.pcproj b/PCLibProj/PCLibProj.pcproj
index 765d490..7b1a3df 100644
--- a/PCLibProj/PCLibProj.pcproj
+++ b/PCLibProj/PCLibProj.pcproj
@@ -20,7 +20,7 @@
     );
     IMAGES = (
     );
-    INSTALLDIR = "$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter";
+    INSTALLDIR = "$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter";
     INTERFACES = (
     );
     LANGUAGE = English;
diff --git a/PCToolProj/GNUmakefile b/PCToolProj/GNUmakefile
index 3f89fc1..2eb62c5 100644
--- a/PCToolProj/GNUmakefile
+++ b/PCToolProj/GNUmakefile
@@ -24,7 +24,7 @@ include $(GNUSTEP_MAKEFILES)/common.make
 PACKAGE_NAME=PCToolProj
 BUNDLE_NAME=PCToolProj
 BUNDLE_EXTENSION=.bundle
-BUNDLE_INSTALL_DIR=$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter
+BUNDLE_INSTALL_DIR=$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter
 PCToolProj_PRINCIPAL_CLASS=PCToolProj
 
 
diff --git a/PCToolProj/PCToolProj.pcproj b/PCToolProj/PCToolProj.pcproj
index afd941f..521099d 100644
--- a/PCToolProj/PCToolProj.pcproj
+++ b/PCToolProj/PCToolProj.pcproj
@@ -20,7 +20,7 @@
     );
     IMAGES = (
     );
-    INSTALLDIR = "$(GNUSTEP_SYSTEM_ROOT)/Library/ProjectCenter";
+    INSTALLDIR = "$(GNUSTEP_INSTALLATION_DIR)/Library/ProjectCenter";
     INTERFACES = (
     );
     LANGUAGE = English;