diff --git a/Makefile b/Makefile
index 098104f..b819c3e 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@ GPRBUILD:=$(shell which gprbuild)
 GPRCLEAN:=$(shell which gprclean)
 EXE=obj/arun
 GPRFILE=arun.gpr
+RESOURCES=resources
 
 all: $(EXE)
 
@@ -12,8 +13,8 @@ $(EXE): prepare
 prepare: src/arun-resources.c
 	mkdir -p obj
 
-src/arun-resources.c: arun.gresource.xml arun.glade
-	glib-compile-resources --generate-source --target=$@ arun.gresource.xml
+src/arun-resources.c: $(RESOURCES)/arun.gresource.xml $(RESOURCES)/arun.glade
+	glib-compile-resources --generate-source --target=$@ $(RESOURCES)/arun.gresource.xml
 
 run: all
 	./$(EXE)
@@ -22,7 +23,7 @@ doc:
 	gnatdoc -P$(GPRFILE) --no-subprojects
 
 clean:
-	$(GPRCLEAN) -p$(GPRFILE)
+	$(GPRCLEAN) -P$(GPRFILE)
 	rm -f src/arun-resources.c
 
 .PHONY: all clean prepare run doc
diff --git a/arun.glade b/resources/arun.glade
similarity index 100%
rename from arun.glade
rename to resources/arun.glade
diff --git a/arun.gresource.xml b/resources/arun.gresource.xml
similarity index 64%
rename from arun.gresource.xml
rename to resources/arun.gresource.xml
index 49e2e5b..b2d0004 100644
--- a/arun.gresource.xml
+++ b/resources/arun.gresource.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
   <gresource prefix="/io/lasagna/arun">
-    <file preprocess="xml-stripblanks">arun.glade</file>
+    <file preprocess="xml-stripblanks">resources/arun.glade</file>
   </gresource>
 </gresources>