diff --git a/pkgs/development/compilers/chicken/5/chicken.nix b/pkgs/development/compilers/chicken/5/chicken.nix
index 3e47e413636..eefd8e35a27 100644
--- a/pkgs/development/compilers/chicken/5/chicken.nix
+++ b/pkgs/development/compilers/chicken/5/chicken.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, makeWrapper, bootstrap-chicken ? null }:
 
 let
-  version = "5.1.0";
+  version = "5.2.0";
   platform = with stdenv;
     if isDarwin then "macosx"
     else if isCygwin then "cygwin"
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
 
   src = fetchurl {
     url = "https://code.call-cc.org/releases/${version}/chicken-${version}.tar.gz";
-    sha256 = "0jsbp3kp0134f318j3wpd1n85gf8qzh034fn198gvazsv2l024aw";
+    sha256 = "1yl0hxm9cirgcp8jgxp6vv29lpswfvaw3zfkh6rsj0vkrv44k4c1";
   };
 
   setupHook = lib.ifEnable (bootstrap-chicken != null) ./setup-hook.sh;
diff --git a/pkgs/development/compilers/chicken/5/eggDerivation.nix b/pkgs/development/compilers/chicken/5/eggDerivation.nix
index 8d4a62776d0..f5ed4b4b7f8 100644
--- a/pkgs/development/compilers/chicken/5/eggDerivation.nix
+++ b/pkgs/development/compilers/chicken/5/eggDerivation.nix
@@ -31,8 +31,8 @@ stdenv.mkDerivation ({
     for f in $out/bin/*
     do
       wrapProgram $f \
-        --prefix CHICKEN_REPOSITORY_PATH : "$out/lib/chicken/${toString chicken.binaryVersion}/:$CHICKEN_REPOSITORY_PATH" \
-        --prefix CHICKEN_INCLUDE_PATH : "$CHICKEN_INCLUDE_PATH:$out/share/" \
+        --prefix CHICKEN_REPOSITORY_PATH : "$out/lib/chicken/${toString chicken.binaryVersion}:$CHICKEN_REPOSITORY_PATH" \
+        --prefix CHICKEN_INCLUDE_PATH : "$CHICKEN_INCLUDE_PATH:$out/share" \
         --prefix PATH : "$out/bin:${chicken}/bin:$CHICKEN_REPOSITORY_PATH"
     done
 
diff --git a/pkgs/development/compilers/chicken/5/eggs.nix b/pkgs/development/compilers/chicken/5/eggs.nix
index a35b1f05891..3c4ae74c1e6 100644
--- a/pkgs/development/compilers/chicken/5/eggs.nix
+++ b/pkgs/development/compilers/chicken/5/eggs.nix
@@ -19,12 +19,12 @@ rec {
   };
 
   matchable = eggDerivation {
-    name = "matchable-1.0";
+    name = "matchable-1.1";
 
     src = fetchegg {
       name = "matchable";
-      version = "1.0";
-      sha256 = "01vy2ppq3sq0wirvsvl3dh0bwa5jqs1i6rdjdd7pnwj4nncxd1ga";
+      version = "1.1";
+      sha256 = "084hm5dvbvgnpb32ispkp3hjili8z02hamln860r99jx68jx6j2v";
     };
 
     buildInputs = [
diff --git a/pkgs/development/compilers/chicken/5/setup-hook.sh b/pkgs/development/compilers/chicken/5/setup-hook.sh
index f5ebaaf638e..55324c05508 100644
--- a/pkgs/development/compilers/chicken/5/setup-hook.sh
+++ b/pkgs/development/compilers/chicken/5/setup-hook.sh
@@ -1,6 +1,6 @@
 addChickenRepositoryPath() {
-    addToSearchPathWithCustomDelimiter : CHICKEN_REPOSITORY_PATH "$1/lib/chicken/11/"
-    addToSearchPathWithCustomDelimiter : CHICKEN_INCLUDE_PATH "$1/share/"
+    addToSearchPathWithCustomDelimiter : CHICKEN_REPOSITORY_PATH "$1/lib/chicken/11"
+    addToSearchPathWithCustomDelimiter : CHICKEN_INCLUDE_PATH "$1/share"
 }
 
 addEnvHooks "$targetOffset" addChickenRepositoryPath