diff --git a/torcs-1.3.7-isnan.patch b/torcs-1.3.7-isnan.patch
new file mode 100644
index 0000000..3d45aa3
--- /dev/null
+++ b/torcs-1.3.7-isnan.patch
@@ -0,0 +1,12 @@
+diff -up torcs-1.3.7/src/drivers/olethros/geometry.cpp.orig torcs-1.3.7/src/drivers/olethros/geometry.cpp
+--- torcs-1.3.7/src/drivers/olethros/geometry.cpp.orig	2016-06-07 19:49:11.347896827 +0100
++++ torcs-1.3.7/src/drivers/olethros/geometry.cpp	2016-06-07 19:49:46.532894257 +0100
+@@ -27,6 +27,8 @@
+ #ifdef WIN32
+ #include <float.h>
+ #define isnan _isnan
++#else
++#define isnan std::isnan
+ #endif
+ 
+ 
diff --git a/torcs.spec b/torcs.spec
index 5fc5a53..3ccb24b 100644
--- a/torcs.spec
+++ b/torcs.spec
@@ -6,6 +6,7 @@ Summary:        The Open Racing Car Simulator
 License:        GPLv2+
 URL:            http://torcs.org/
 Source0:        http://downloads.sf.net/torcs/torcs-%{version}.tar.bz2
+Patch0:         torcs-1.3.7-isnan.patch
 
 BuildRequires:  desktop-file-utils
 BuildRequires:  freealut-devel
@@ -35,6 +36,8 @@ yourself with either a wheel, keyboard or mouse.
 
 %prep
 %setup -q
+%patch0 -p1
+
 # Prevent useless executable files in the debuginfo package (as of 1.3.1)
 chmod -x src/libs/learning/policy.*