diff --git a/le-pregao-712010/pacote/DEBIAN/postinst b/le-pregao-712010/pacote/DEBIAN/postinst
index 446efc4d27334654590bfe7db48f3051107e96db..614263f8a3d09f72708f63a6ff1c1a780f8c475f 100755
--- a/le-pregao-712010/pacote/DEBIAN/postinst
+++ b/le-pregao-712010/pacote/DEBIAN/postinst
@@ -37,6 +37,18 @@ else
     echo "apt-get install linux-headers-$KERNEL_VERSION"
 fi
 
+#If already added the entries in /etc/modules, dont do that again.
+TEST_IF_IN_MODULES=$(grep "rt3562sta$" /etc/modules)
+if [ "$TEST_IF_IN_MODULES" == "" ]; then 
+    # Put conflicting modules at /etc/modprobe.d/blacklist.conf 
+    echo "# replaced by rt3562sta" >> /etc/modprobe.d/blacklist.conf
+    echo "blacklist rt2800pci" >> /etc/modprobe.d/blacklist.conf
+
+    # Put conflicting modules at /etc/modprobe.d/blacklist.conf 
+    echo "# enable wireless for pregao 71/2010" >> /etc/modules
+    echo "rt3562sta" >> /etc/modules
+fi
+
 # Function to set selections
 setselections() {
     selfile=$1