diff --git a/pkgs/development/interpreters/pypy/2.4/default.nix b/pkgs/development/interpreters/pypy/2.4/default.nix
index c5d86766d1f..8a6f2b61bb0 100644
--- a/pkgs/development/interpreters/pypy/2.4/default.nix
+++ b/pkgs/development/interpreters/pypy/2.4/default.nix
@@ -27,9 +27,11 @@ let
 
     C_INCLUDE_PATH = stdenv.lib.concatStringsSep ":" (map (p: "${p}/include") buildInputs);
     LIBRARY_PATH = stdenv.lib.concatStringsSep ":" (map (p: "${p}/lib") buildInputs);
-    LD_LIBRARY_PATH = stdenv.lib.concatStringsSep ":" (map (p: "${p}/lib") 
+    LD_LIBRARY_PATH = stdenv.lib.concatStringsSep ":" (map (p: "${p}/lib")
       (stdenv.lib.filter (x : x.outPath != stdenv.cc.libc.outPath or "") buildInputs));
 
+    patches = [ ./fix-gcc-4-9-2.patch ];
+
     preConfigure = ''
       substituteInPlace Makefile \
         --replace "-Ojit" "-Ojit --batch" \
diff --git a/pkgs/development/interpreters/pypy/2.4/fix-gcc-4-9-2.patch b/pkgs/development/interpreters/pypy/2.4/fix-gcc-4-9-2.patch
new file mode 100644
index 00000000000..dc01c5795dd
--- /dev/null
+++ b/pkgs/development/interpreters/pypy/2.4/fix-gcc-4-9-2.patch
@@ -0,0 +1,19 @@
+--- a/rpython/translator/c/gcc/trackgcroot.py
++++ b/rpython/translator/c/gcc/trackgcroot.py
+@@ -590,7 +590,7 @@
+ 
+     # The various cmov* operations
+     for name in '''
+-        e ne g ge l le a ae b be p np s ns o no
++        e ne g ge l le a ae b be nb p np s ns o no
+         '''.split():
+         locals()['visit_cmov' + name] = binary_insn
+         locals()['visit_cmov' + name + 'l'] = binary_insn
+@@ -837,6 +837,7 @@
+     visit_jb = conditional_jump
+     visit_jbe = conditional_jump
+     visit_jp = conditional_jump
++    visit_jnb = conditional_jump
+     visit_jnp = conditional_jump
+     visit_js = conditional_jump
+     visit_jns = conditional_jump