diff --git a/pkgs/applications/editors/cudatext/default.nix b/pkgs/applications/editors/cudatext/default.nix
index 7ea83aa23461..ad67837b3892 100644
--- a/pkgs/applications/editors/cudatext/default.nix
+++ b/pkgs/applications/editors/cudatext/default.nix
@@ -47,11 +47,12 @@ stdenv.mkDerivation rec {
     hash = "sha256-ke7i0eeZHEsVhtzaS0AeLQOrYE1F+ppCwjR2TWeJQPA=";
   };
 
+  patches = [ ./proc_globdata.patch ];
+
   postPatch = ''
     substituteInPlace app/proc_globdata.pas \
-      --replace "/usr/share/cudatext" "$out/share/cudatext" \
-      --replace "libpython3.so" "${python3}/lib/libpython${python3.pythonVersion}.so" \
-      --replace "AllowProgramUpdates:= true;" "AllowProgramUpdates:= false;"
+      --subst-var out \
+      --subst-var-by python3 ${python3}
   '';
 
   nativeBuildInputs = [ lazarus fpc ]
diff --git a/pkgs/applications/editors/cudatext/proc_globdata.patch b/pkgs/applications/editors/cudatext/proc_globdata.patch
new file mode 100644
index 000000000000..b89476bb5fcb
--- /dev/null
+++ b/pkgs/applications/editors/cudatext/proc_globdata.patch
@@ -0,0 +1,30 @@
+diff --git i/app/proc_globdata.pas w/app/proc_globdata.pas
+index d161b09c7..0fcfbdc09 100644
+--- i/app/proc_globdata.pas
++++ w/app/proc_globdata.pas
+@@ -1342,6 +1342,7 @@ begin
+ 
+   {$ifdef unix}
+   for Dir in [
++              '@python3@/lib',
+               '/usr/lib64',
+               '/usr/lib',
+               '/usr/lib/x86_64-linux-gnu'
+@@ -1364,7 +1365,7 @@ var
+ function GetDirPrecopy: string;
+ begin
+   {$ifdef linux}
+-  exit('/usr/share/cudatext');
++  exit('@out@/share/cudatext');
+   {$endif}
+ 
+   {$ifdef darwin}
+@@ -2056,7 +2057,7 @@ begin
+     FindWrapAtEdge_Delay:= 350;
+     FindWrapAtEdge_ThemeItem:= ''; //'EdMarkedRangeBg';
+ 
+-    AllowProgramUpdates:= true;
++    AllowProgramUpdates:= false;
+     EscapeClose:= false;
+     EscapeCloseConsole:= true;
+     EscapeCloseFinder:= true;