diff --git a/pkgs/applications/science/biology/snpeff/default.nix b/pkgs/applications/science/biology/snpeff/default.nix
index 6c7a6b969ee6..844374fceb95 100644
--- a/pkgs/applications/science/biology/snpeff/default.nix
+++ b/pkgs/applications/science/biology/snpeff/default.nix
@@ -2,15 +2,17 @@
 
 stdenv.mkDerivation rec {
   name = "snpeff-${version}";
-  version = "4.3i";
+  version = "4.3p";
 
   src = fetchurl {
-    url = "mirror://sourceforge/project/snpeff/snpEff_latest_core.zip";
-    sha256 = "0i1slg201c8yjfr4wrg4xcgzwi0c8b9l3fb1i73fphq6q6zdblzb";
+    url = "mirror://sourceforge/project/snpeff/snpEff_v4_3p_core.zip";
+    sha256 = "1xb3k0yxd634znw2q083ligm2ww4p6v64041r9sdy3930lhjvxb1";
   };
 
   buildInputs = [ unzip jre makeWrapper ];
 
+  sourceRoot = "snpEff";
+
   installPhase = ''
     mkdir -p $out/libexec/snpeff
     cp *.jar *.config $out/libexec/snpeff