diff --git a/PCAppProj/GNUmakefile b/PCAppProj/GNUmakefile
index 848881d..114a831 100644
--- a/PCAppProj/GNUmakefile
+++ b/PCAppProj/GNUmakefile
@@ -28,7 +28,7 @@ PCAppProj_PRINCIPAL_CLASS=PCAppProj
 # Additional libraries
 #
 
-PCAppProj_LIBRARIES_DEPEND_UPON += 
+PCAppProj_LIBRARIES_DEPEND_UPON += -lProjectCenter 
 
 #
 
diff --git a/PCAppProj/PCAppProj.pcproj b/PCAppProj/PCAppProj.pcproj
index 23e7e8f..20a937b 100644
--- a/PCAppProj/PCAppProj.pcproj
+++ b/PCAppProj/PCAppProj.pcproj
@@ -28,7 +28,9 @@
     LANGUAGE = English;
     LAST_EDITING = "";
     LIBRARIES = (
-	gnustep-base
+	gnustep-base,
+	gnustep-gui,
+	ProjectCenter
     );
     LINKEROPTIONS = "";
     MAININTERFACE = "";
diff --git a/PCBaseFileTypes/GNUmakefile b/PCBaseFileTypes/GNUmakefile
index d617026..15131ca 100644
--- a/PCBaseFileTypes/GNUmakefile
+++ b/PCBaseFileTypes/GNUmakefile
@@ -28,7 +28,7 @@ PCBaseFileTypes_PRINCIPAL_CLASS=PCBaseFileType
 # Additional libraries
 #
 
-PCBaseFileTypes_LIBRARIES_DEPEND_UPON += 
+PCBaseFileTypes_LIBRARIES_DEPEND_UPON += -lProjectCenter 
 
 #
 
diff --git a/PCBaseFileTypes/PCBaseFileTypes.pcproj b/PCBaseFileTypes/PCBaseFileTypes.pcproj
index bccc91b..69b65ba 100644
--- a/PCBaseFileTypes/PCBaseFileTypes.pcproj
+++ b/PCBaseFileTypes/PCBaseFileTypes.pcproj
@@ -24,7 +24,9 @@
     LANGUAGE = English;
     LAST_EDITING = "";
     LIBRARIES = (
-	gnustep-base
+	gnustep-base,
+	gnustep-gui,
+	ProjectCenter
     );
     LINKEROPTIONS = "";
     MAININTERFACE = "";
diff --git a/PCBundleProj/GNUmakefile b/PCBundleProj/GNUmakefile
index ccd2104..d5186d6 100644
--- a/PCBundleProj/GNUmakefile
+++ b/PCBundleProj/GNUmakefile
@@ -28,7 +28,7 @@ PCBundleProj_PRINCIPAL_CLASS=PCBundleProj
 # Additional libraries
 #
 
-PCBundleProj_LIBRARIES_DEPEND_UPON += 
+PCBundleProj_LIBRARIES_DEPEND_UPON += -lProjectCenter 
 
 #
 
diff --git a/PCBundleProj/PCBundleProj.pcproj b/PCBundleProj/PCBundleProj.pcproj
index 0666d0a..6b7798e 100644
--- a/PCBundleProj/PCBundleProj.pcproj
+++ b/PCBundleProj/PCBundleProj.pcproj
@@ -28,7 +28,9 @@
     LANGUAGE = English;
     LAST_EDITING = "";
     LIBRARIES = (
-	gnustep-base
+	gnustep-base,
+	gnustep-gui,
+	ProjectCenter
     );
     LINKEROPTIONS = "";
     MAININTERFACE = "";
diff --git a/PCGormProj/GNUmakefile b/PCGormProj/GNUmakefile
index fb3e1be..7cf987a 100644
--- a/PCGormProj/GNUmakefile
+++ b/PCGormProj/GNUmakefile
@@ -28,7 +28,7 @@ PCGormProj_PRINCIPAL_CLASS=PCGormProj
 # Additional libraries
 #
 
-PCGormProj_LIBRARIES_DEPEND_UPON += 
+PCGormProj_LIBRARIES_DEPEND_UPON += -lProjectCenter 
 
 #
 
diff --git a/PCGormProj/GNUmakefile.preamble b/PCGormProj/GNUmakefile.preamble
index 7354fb1..cfd2a11 100644
--- a/PCGormProj/GNUmakefile.preamble
+++ b/PCGormProj/GNUmakefile.preamble
@@ -59,7 +59,8 @@ ADDITIONAL_LIB_DIRS += -L../PCLib/$(GNUSTEP_OBJ_DIR)
 
 ADDITIONAL_TOOL_LIBS +=
 
-PCAppProj_BUNDLE_LIBS = -lProjectCenter
+# Not needed anymore, now managed by ProjectCenter
+#PCGormProj_BUNDLE_LIBS = -lProjectCenter
 
 
 #
diff --git a/PCGormProj/PCGormProj.pcproj b/PCGormProj/PCGormProj.pcproj
index 4a9bbf6..75ad893 100644
--- a/PCGormProj/PCGormProj.pcproj
+++ b/PCGormProj/PCGormProj.pcproj
@@ -28,7 +28,9 @@
     LANGUAGE = English;
     LAST_EDITING = "";
     LIBRARIES = (
-	gnustep-base
+	gnustep-base,
+	gnustep-gui,
+	ProjectCenter
     );
     LINKEROPTIONS = "";
     MAININTERFACE = "";
diff --git a/PCLibProj/GNUmakefile b/PCLibProj/GNUmakefile
index 47cd30c..7a32e2b 100644
--- a/PCLibProj/GNUmakefile
+++ b/PCLibProj/GNUmakefile
@@ -28,7 +28,7 @@ PCLibProj_PRINCIPAL_CLASS=PCLibProj
 # Additional libraries
 #
 
-PCLibProj_LIBRARIES_DEPEND_UPON += 
+PCLibProj_LIBRARIES_DEPEND_UPON += -lProjectCenter 
 
 #
 
diff --git a/PCLibProj/PCLibProj.pcproj b/PCLibProj/PCLibProj.pcproj
index 47f8d3e..2f7b1ea 100644
--- a/PCLibProj/PCLibProj.pcproj
+++ b/PCLibProj/PCLibProj.pcproj
@@ -28,7 +28,9 @@
     LANGUAGE = English;
     LAST_EDITING = "";
     LIBRARIES = (
-	gnustep-base
+	gnustep-base,
+	gnustep-gui,
+	ProjectCenter
     );
     LINKEROPTIONS = "";
     MAININTERFACE = "";
diff --git a/PCToolProj/GNUmakefile b/PCToolProj/GNUmakefile
index 87390a0..f072687 100644
--- a/PCToolProj/GNUmakefile
+++ b/PCToolProj/GNUmakefile
@@ -28,7 +28,7 @@ PCToolProj_PRINCIPAL_CLASS=PCToolProj
 # Additional libraries
 #
 
-PCToolProj_LIBRARIES_DEPEND_UPON += 
+PCToolProj_LIBRARIES_DEPEND_UPON += -lProjectCenter 
 
 #
 
diff --git a/PCToolProj/PCToolProj.pcproj b/PCToolProj/PCToolProj.pcproj
index c56400f..c0b456d 100644
--- a/PCToolProj/PCToolProj.pcproj
+++ b/PCToolProj/PCToolProj.pcproj
@@ -28,7 +28,9 @@
     LANGUAGE = English;
     LAST_EDITING = "";
     LIBRARIES = (
-	gnustep-base
+	gnustep-base,
+	gnustep-gui,
+	ProjectCenter
     );
     LINKEROPTIONS = "";
     MAININTERFACE = "";