diff --git a/pkgs/servers/samba/4.x.nix b/pkgs/servers/samba/4.x.nix
index 4aceb10d93a3..88defab93025 100644
--- a/pkgs/servers/samba/4.x.nix
+++ b/pkgs/servers/samba/4.x.nix
@@ -159,7 +159,7 @@ stdenv.mkDerivation rec {
   # Use find -type f -executable -exec echo {} \; -exec sh -c 'ldd {} | grep "not found"' \;
   # Looks like a bug in installer scripts.
   postFixup = ''
-    export SAMBA_LIBS="$(find $out -type f -name \*.so -exec dirname {} \; | sort | uniq)"
+    export SAMBA_LIBS="$(find $out -type f -regex '.*\.so\(\..*\)?' -exec dirname {} \; | sort | uniq)"
     read -r -d "" SCRIPT << EOF || true
     [ -z "\$SAMBA_LIBS" ] && exit 1;
     BIN='{}';
@@ -168,7 +168,7 @@ stdenv.mkDerivation rec {
     patchelf --set-rpath "\$ALL_LIBS" "\$BIN" 2>/dev/null || exit $?;
     patchelf --shrink-rpath "\$BIN";
     EOF
-    find $out -type f -name \*.so -exec $SHELL -c "$SCRIPT" \;
+    find $out -type f -regex '.*\.so\(\..*\)?' -exec $SHELL -c "$SCRIPT" \;
 
     # Samba does its own shebang patching, but uses build Python
     find "$out/bin" -type f -executable -exec \