diff --git a/tools/ipkg-utils/patches/150-uppercase_letters.patch b/tools/ipkg-utils/patches/150-uppercase_letters.patch
new file mode 100644
index 0000000000000000000000000000000000000000..debafb2303d0b9e0154a9ab60bec10438456f905
--- /dev/null
+++ b/tools/ipkg-utils/patches/150-uppercase_letters.patch
@@ -0,0 +1,26 @@
+Index: ipkg-utils-1.7/ipkg-build
+===================================================================
+--- ipkg-utils-1.7.orig/ipkg-build	2007-07-21 03:10:58.228362436 +0200
++++ ipkg-utils-1.7/ipkg-build	2007-07-21 03:11:02.912629374 +0200
+@@ -133,7 +133,7 @@
+ 	disallowed_filename=`disallowed_field Filename`
+ 	[ "$?" -ne 0 ] && PKG_ERROR=1
+ 
+-	if echo $pkg | grep '[^a-z0-9.+-]'; then
++	if echo $pkg | grep '[^a-zA-Z0-9.+-]'; then
+ 		echo "*** Error: Package name $name contains illegal characters, (other than [a-z0-9.+-])" >&2
+ 		PKG_ERROR=1;
+ 	fi
+Index: ipkg-utils-1.7/ipkg-buildpackage
+===================================================================
+--- ipkg-utils-1.7.orig/ipkg-buildpackage	2007-07-21 03:10:43.859543602 +0200
++++ ipkg-utils-1.7/ipkg-buildpackage	2007-07-21 03:10:52.212019583 +0200
+@@ -69,7 +69,7 @@
+ 	required_field Maintainer >/dev/null
+ 	required_field Description >/dev/null
+ 
+-	if echo $pkg | grep '[^a-z0-9.+-]'; then
++	if echo $pkg | grep '[^a-zA-Z0-9.+-]'; then
+ 		echo "ipkg-build: Error: Package name $name contains illegal characters, (other than [a-z0-9.+-])"
+ 		PKG_ERROR=1;
+ 	fi