diff --git a/pkgs/applications/audio/sonic-pi/default.nix b/pkgs/applications/audio/sonic-pi/default.nix
index 055678b0e35..ac72a26b0ee 100644
--- a/pkgs/applications/audio/sonic-pi/default.nix
+++ b/pkgs/applications/audio/sonic-pi/default.nix
@@ -14,6 +14,7 @@
 , supercollider
 , qscintilla
 , qwt
+, osmid
 }:
 
 let
@@ -59,6 +60,10 @@ mkDerivation rec {
   buildPhase = ''
     export SONIC_PI_HOME=$TMPDIR
     export AUBIO_LIB=${aubio}/lib/libaubio.so
+    export OSMID_DIR=app/server/native/osmid
+
+    mkdir -p $OSMID_DIR
+    cp ${osmid}/bin/{m2o,o2m} $OSMID_DIR
 
     pushd app/server/ruby/bin
       ./compile-extensions.rb
@@ -95,11 +100,10 @@ mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://sonic-pi.net/;
+    homepage = "https://sonic-pi.net/";
     description = "Free live coding synth for everyone originally designed to support computing and music lessons within schools";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ Phlogistique kamilchm ];
     platforms = lib.platforms.linux;
-    broken = true;
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a0c7396e6af..ecf6a3728a8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -20616,7 +20616,9 @@ in
 
   wavebox = callPackage ../applications/networking/instant-messengers/wavebox { };
 
-  sonic-pi = libsForQt5.callPackage ../applications/audio/sonic-pi { };
+  sonic-pi = libsForQt5.callPackage ../applications/audio/sonic-pi {
+    ruby = ruby_2_4;  # sonic-pi build breaks with ruby 2.5 and 2.6
+  };
 
   st = callPackage ../applications/misc/st {
     conf = config.st.conf or null;