diff --git a/demos/demos.pro b/demos/demos.pro
index 1897190..398e390 100644
--- a/demos/demos.pro
+++ b/demos/demos.pro
@@ -1,3 +1,11 @@
+!include( ../config.pri ) {
+ error( "Couldn't find the config.pri file!" )
+}
+
+!include( ../build.pri ) {
+ error( "Couldn't find the build.pri file !")
+}
+
 TEMPLATE = subdirs
 SUBDIRS += chartthemes \
            piechartcustomization \
diff --git a/examples/examples.pro b/examples/examples.pro
index 7336266..5f91650 100644
--- a/examples/examples.pro
+++ b/examples/examples.pro
@@ -1,3 +1,11 @@
+!include( ../config.pri ) {
+ error( "Couldn't find the config.pri file!" )
+}
+
+!include( ../build.pri ) {
+ error( "Couldn't find the build.pri file !")
+}
+
 TEMPLATE = subdirs
 SUBDIRS += \
            areachart \
diff --git a/test/auto/auto.pro b/test/auto/auto.pro
index 8df82c3..d023707 100644
--- a/test/auto/auto.pro
+++ b/test/auto/auto.pro
@@ -1,2 +1,6 @@
+!include( ../test.pri ) {
+ error( "Couldn't find the test.pri file!" )
+}
+
 TEMPLATE = subdirs
 SUBDIRS += chartdataset domain qchartview qchart
diff --git a/test/test.pro b/test/test.pro
index 2ad87aa..5d0aaf4 100644
--- a/test/test.pro
+++ b/test/test.pro
@@ -1,3 +1,11 @@
+!include( ../config.pri ) {
+ error( "Couldn't find the config.pri file!" )
+}
+
+!include( ../build.pri ) {
+ error( "Couldn't find the build.pri file !")
+}
+
 TEMPLATE = subdirs
 SUBDIRS += \ 
     chartwidgettest \