diff --git a/srcpkgs/warzone2100/patches/fix-FTBFS.patch b/srcpkgs/warzone2100/patches/fix-FTBFS.patch
new file mode 100644
index 00000000000..dac0334e96f
--- /dev/null
+++ b/srcpkgs/warzone2100/patches/fix-FTBFS.patch
@@ -0,0 +1,23 @@
+editbox.cpp:127:9: error: ambiguous overload for 'operator==' (operand types are 'QChar' and 'char')
+  if (ch == '\0')
+
+--- lib/widget/editbox.cpp.orig
++++ lib/widget/editbox.cpp
+@@ -124,7 +124,7 @@ void W_EDITBOX::initialise()
+ /* Insert a character into a text buffer */
+ void W_EDITBOX::insertChar(QChar ch)
+ {
+-	if (ch == '\0')
++	if (ch == QChar('\0'))
+ 	{
+ 		return;
+ 	}
+@@ -150,7 +150,7 @@ void W_EDITBOX::insertChar(QChar ch)
+ /* Put a character into a text buffer overwriting any text under the cursor */
+ void W_EDITBOX::overwriteChar(QChar ch)
+ {
+-	if (ch == '\0')
++	if (ch == QChar('\0'))
+ 	{
+ 		return;
+ 	}