diff --git a/packages/brogue/src-platform-platformdependent.c.patch b/packages/brogue/src-platform-platformdependent.c.patch
new file mode 100644
index 000000000..ff5f73302
--- /dev/null
+++ b/packages/brogue/src-platform-platformdependent.c.patch
@@ -0,0 +1,11 @@
+diff -u -r ../brogue-1.7.4/src/platform/platformdependent.c ./src/platform/platformdependent.c
+--- ../brogue-1.7.4/src/platform/platformdependent.c	2014-07-03 19:19:10.000000000 +0000
++++ ./src/platform/platformdependent.c	2017-07-07 07:09:10.116242335 +0000
+@@ -21,6 +21,7 @@
+  *  along with Brogue.  If not, see <http://www.gnu.org/licenses/>.
+  */
+ 
++#include <ctype.h>
+ #include <stdio.h>
+ #include <string.h>
+ #include <time.h>