diff --git a/Dockerfile.neuris b/Dockerfile.neuris
index 1d3ea0aa62ba..0f1dfe444f4c 100644
--- a/Dockerfile.neuris
+++ b/Dockerfile.neuris
@@ -15,4 +15,4 @@ COPY server.properties .
 
 EXPOSE 8181/tcp
 
-ENTRYPOINT [ "java", "-cp", "languagetool-server.jar", "org.languagetool.server.HTTPServer", "--config", "server.properties", "--port", "8181", "--allow-origin", "--public" ]
+ENTRYPOINT [ "java", "-Xms1024m", "-Xmx2048m", "-cp", "languagetool-server.jar", "org.languagetool.server.HTTPServer", "--config", "server.properties", "--port", "8181", "--allow-origin", "--public" ]
diff --git a/languagetool-core/src/main/java/org/languagetool/rules/BorderNumberRule.java b/languagetool-language-modules/de/src/main/java/org/languagetool/rules/de/BorderNumberRule.java
similarity index 99%
rename from languagetool-core/src/main/java/org/languagetool/rules/BorderNumberRule.java
rename to languagetool-language-modules/de/src/main/java/org/languagetool/rules/de/BorderNumberRule.java
index e811411a0681..ffcd73f6f32f 100644
--- a/languagetool-core/src/main/java/org/languagetool/rules/BorderNumberRule.java
+++ b/languagetool-language-modules/de/src/main/java/org/languagetool/rules/de/BorderNumberRule.java
@@ -20,6 +20,7 @@
 package org.languagetool.rules;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.ResourceBundle;
 import org.apache.commons.lang3.StringUtils;
diff --git a/languagetool-core/src/test/java/org/languagetool/rules/BorderNumberRuleTest.java b/languagetool-language-modules/de/src/test/java/org/languagetool/rules/de/BorderNumberRuleTest.java
similarity index 88%
rename from languagetool-core/src/test/java/org/languagetool/rules/BorderNumberRuleTest.java
rename to languagetool-language-modules/de/src/test/java/org/languagetool/rules/de/BorderNumberRuleTest.java
index 39898f24707c..dca1b9d3575c 100644
--- a/languagetool-core/src/test/java/org/languagetool/rules/BorderNumberRuleTest.java
+++ b/languagetool-language-modules/de/src/test/java/org/languagetool/rules/de/BorderNumberRuleTest.java
@@ -60,4 +60,13 @@ public void testRule_noBorderNumber_MatchFound() throws IOException {
 
     assertEquals(1, matches.size());
   }
+
+  @Test
+  public void testRule_allowedUppercase_forNouns() throws IOException {
+    List<RuleMatch> matches;
+
+    matches = lt.check("Das ist das 1000 Teller, dass ich sage es ist keine Randnummer.");
+
+    assertEquals(1, matches.size());
+  }
 }