diff --git a/pkgs/development/libraries/pcre/7.8.nix b/pkgs/development/libraries/pcre/7.8.nix
deleted file mode 100644
index a9afb0c7cefd..000000000000
--- a/pkgs/development/libraries/pcre/7.8.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-{stdenv, fetchurl, unicodeSupport ? false, cplusplusSupport ? true}:
-
-stdenv.mkDerivation {
-  name = "pcre-7.8";
-  src = fetchurl {
-    url = ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-7.8.tar.bz2;
-    sha256 = "1zsqk352mx2zklf9bgpg9d88ckfdssbbbiyslhrycfckw8m3qpvr";
-  };
-  configureFlags =
-    (if unicodeSupport then
-      "--enable-unicode-properties --enable-shared --disable-static"
-    else "") +
-    (if !cplusplusSupport then "--disable-cpp" else "");
-}
diff --git a/pkgs/development/libraries/pcre/default.nix b/pkgs/development/libraries/pcre/default.nix
index 6baea4b6ff52..0ca141fc5287 100644
--- a/pkgs/development/libraries/pcre/default.nix
+++ b/pkgs/development/libraries/pcre/default.nix
@@ -1,14 +1,13 @@
 {stdenv, fetchurl, unicodeSupport ? false, cplusplusSupport ? true}:
 
 stdenv.mkDerivation {
-  name = "pcre-7.4";
+  name = "pcre-7.8";
   src = fetchurl {
-    url = mirror://sourceforge/pcre/pcre-7.4.tar.bz2;
-    sha256 = "1rdks2h5f3p2d71c4jnxaic1c9gmgsfky80djnafcdbdrhzkiyx5";
+    url = ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-7.8.tar.bz2;
+    sha256 = "1zsqk352mx2zklf9bgpg9d88ckfdssbbbiyslhrycfckw8m3qpvr";
   };
-  configureFlags =
-    (if unicodeSupport then
-      "--enable-unicode-properties --enable-shared --disable-static"
-    else "") +
-    (if !cplusplusSupport then "--disable-cpp" else "");
+  configureFlags = ''
+    ${if unicodeSupport then "--enable-unicode-properties --enable-shared --disable-static" else ""}
+    ${if !cplusplusSupport then "--disable-cpp" else ""}
+  '';
 }