diff --git a/pmd-core/src/main/resources/rulesets/internal/all-java.xml b/pmd-core/src/main/resources/rulesets/internal/all-java.xml
index ba1b53ceda..db34c37745 100644
--- a/pmd-core/src/main/resources/rulesets/internal/all-java.xml
+++ b/pmd-core/src/main/resources/rulesets/internal/all-java.xml
@@ -25,7 +25,7 @@
     <rule ref="category/java/design.xml" />
     <rule ref="category/java/documentation.xml" />
     <rule ref="category/java/errorprone.xml" />
-    <rule ref="category/java/multihreading.xml" />
+    <rule ref="category/java/multithreading.xml" />
     <rule ref="category/java/performance.xml" />
 <!--     <rule ref="category/java/security.xml" /> -->
 
diff --git a/pmd-java/src/test/java/net/sourceforge/pmd/coverage/PMDCoverageTest.java b/pmd-java/src/test/java/net/sourceforge/pmd/coverage/PMDCoverageTest.java
index dbdd89e2eb..addf48577f 100644
--- a/pmd-java/src/test/java/net/sourceforge/pmd/coverage/PMDCoverageTest.java
+++ b/pmd-java/src/test/java/net/sourceforge/pmd/coverage/PMDCoverageTest.java
@@ -57,6 +57,7 @@ public class PMDCoverageTest {
             PMD.run(args);
 
             assertFalse("There was at least one exception mentioned in the output", output.getLog().contains("Exception applying rule"));
+            assertFalse("Wrong configuration? Ruleset not found", output.getLog().contains("Ruleset not found"));
 
             String report = FileUtils.readFileToString(f);
             assertEquals("No processing errors expected", 0, StringUtils.countMatches(report, "Error while processing"));