diff --git a/pkgs/by-name/p0/p0f/build-stdio.patch b/pkgs/by-name/p0/p0f/build-stdio.patch
new file mode 100644
index 000000000000..3274960c7fba
--- /dev/null
+++ b/pkgs/by-name/p0/p0f/build-stdio.patch
@@ -0,0 +1,13 @@
+diff --git a/build.sh b/build.sh
+index f674433..f181344 100755
+--- a/build.sh
++++ b/build.sh
+@@ -197,7 +197,7 @@ echo -n "[*] Checking if memory alignment is required... "
+ 
+ rm -f "$TMP" "$TMP.c" "$TMP.log" || exit 1
+ 
+-echo -e "#include \"types.h\"\nvolatile u8 tmp[6]; int main() { printf(\"%d\x5cn\", *(u32*)(tmp+1)); return 0; }" >"$TMP.c" || exit 1
++echo -e "#include \"types.h\"\n#include \"stdio.h\"\nvolatile u8 tmp[6]; int main() { printf(\"%d\x5cn\", *(u32*)(tmp+1)); return 0; }" >"$TMP.c" || exit 1
+ $CC $USE_CFLAGS $USE_LDFLAGS "$TMP.c" -o "$TMP" &>"$TMP.log"
+ 
+ if [ ! -x "$TMP" ]; then
diff --git a/pkgs/by-name/p0/p0f/package.nix b/pkgs/by-name/p0/p0f/package.nix
index 93c025b1c43e..5db7d66cf16d 100644
--- a/pkgs/by-name/p0/p0f/package.nix
+++ b/pkgs/by-name/p0/p0f/package.nix
@@ -17,6 +17,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libpcap ];
 
+  patches = [ ./build-stdio.patch ];
+
   buildPhase = ''
     substituteInPlace config.h --replace "p0f.fp" "$out/etc/p0f.fp"
     substituteInPlace build.sh --replace "/bin/bash" "${bash}/bin/bash"