diff --git a/srcpkgs/coin3/patches/fix-missing-deref.patch b/srcpkgs/coin3/patches/fix-missing-deref.patch
new file mode 100644
index 0000000000..8c50078b8b
--- /dev/null
+++ b/srcpkgs/coin3/patches/fix-missing-deref.patch
@@ -0,0 +1,20 @@
+--- ./src/3ds/SoStream.cpp.orig	2018-01-16 11:18:58.965420684 +0100
++++ ./src/3ds/SoStream.cpp	2018-01-16 11:18:23.140563596 +0100
+@@ -176,7 +176,7 @@ do { \
+   if (!gotNum) { setBadBit(); return FALSE; } \
+  \
+   char *ce; \
+-  s = '\0'; \
++  *s = '\0'; \
+   _convertType_ tempVal = _convertFunc_(buf, &ce, 0); \
+  \
+   if (ce != s) \
+@@ -273,7 +273,7 @@ do { \
+ gotAll: \
+   \
+   char *ce; \
+-  s = '\0'; \
++  *s = '\0'; \
+   double tempVal = _convertFunc_(buf, &ce); \
+  \
+   if (ce != s) \
diff --git a/srcpkgs/coin3/template b/srcpkgs/coin3/template
index a368f7ac0c..46b14e99d2 100644
--- a/srcpkgs/coin3/template
+++ b/srcpkgs/coin3/template
@@ -1,7 +1,7 @@
 # Template file for 'coin3'
 pkgname=coin3
 version=3.1.3
-revision=2
+revision=3
 wrksrc="Coin-${version}"
 patch_args="-Np1"
 build_style=gnu-configure