diff --git a/src/main/java/edu/hm/hafner/analysis/IssueBuilder.java b/src/main/java/edu/hm/hafner/analysis/IssueBuilder.java
index 90bbc7b15..f3dcf2780 100644
--- a/src/main/java/edu/hm/hafner/analysis/IssueBuilder.java
+++ b/src/main/java/edu/hm/hafner/analysis/IssueBuilder.java
@@ -1,6 +1,10 @@
 package edu.hm.hafner.analysis;
 
 import java.io.Serializable;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.Optional;
 import java.util.UUID;
 
@@ -142,6 +146,9 @@ TreeString internFileName(@CheckForNull final String unsafeFileName) {
             return UNDEFINED_TREE_STRING;
         }
         else {
+            if (directory != null && isAbsolutePath(normalizeFileName(unsafeFileName))) {
+                return fileNameBuilder.intern(normalizeFileName(unsafeFileName));
+            }
             return fileNameBuilder.intern(normalizeFileName(
                     new PathUtil().createAbsolutePath(directory, unsafeFileName)));
         }
@@ -578,6 +585,20 @@ private void clean() {
         additionalProperties = null;
     }
 
+    private static boolean isAbsolutePath(final String stringPath) {
+        try {
+            URI uri = new URI(stringPath);
+            if (uri.isAbsolute()) {
+                return true;
+            }
+        }
+        catch (URISyntaxException e) {
+            // Catch and ignore as system paths are not URI and we need to check them separately.
+        }
+        Path path = Paths.get(stringPath);
+        return path.isAbsolute();
+    }
+
     private static String normalizeFileName(@CheckForNull final String platformFileName) {
         return defaultString(StringUtils.replace(
                 StringUtils.strip(platformFileName), "\\", "/"));
diff --git a/src/test/java/edu/hm/hafner/analysis/parser/JavacParserTest.java b/src/test/java/edu/hm/hafner/analysis/parser/JavacParserTest.java
index 23273b060..12505b244 100644
--- a/src/test/java/edu/hm/hafner/analysis/parser/JavacParserTest.java
+++ b/src/test/java/edu/hm/hafner/analysis/parser/JavacParserTest.java
@@ -342,5 +342,41 @@ void kotlin18WarningStyle() {
                 .hasFileName("file:///project/src/main/java/com/app/ui/model/Activity.kt")
                 .hasMessage("'PackageStats' is deprecated. Deprecated in Java");
     }
+
+     /**
+     * Parses a warning log written by Gradle containing 3 Kotlin warnings and 1 error.
+     * Having a cmake directory switch log in between. Following duplicated Kotlin errors should still be treated as duplicates.
+     */
+    @Test
+    void kotlinAndCmakeDirectoryOuptut() {
+        Report warnings = parse("kotlin-cmake.txt");
+
+        assertThat(warnings).hasSize(5);
+
+        assertThat(warnings.get(0)).hasSeverity(Severity.WARNING_NORMAL)
+                .hasLineStart(214)
+                .hasColumnStart(35)
+                .hasFileName("/project/app/src/main/java/ui/Activity.kt");
+        assertThat(warnings.get(1)).hasSeverity(Severity.WARNING_NORMAL)
+                .hasLineStart(424)
+                .hasColumnStart(29)
+                .hasFileName("/project/app/src/main/java/ui/Activity.kt");
+        assertThat(warnings.get(2)).hasSeverity(Severity.WARNING_NORMAL)
+                .hasLineStart(425)
+                .hasColumnStart(29)
+                .hasFileName("/project/app/src/main/java/ui/Activity.kt")
+                .hasCategory("Deprecation")
+                .hasMessage("deprecated: Serializable! to kotlin.collections.HashMap<String, String> /* = java.util.HashMap<String, String> */");
+        assertThat(warnings.get(3)).hasSeverity(Severity.WARNING_NORMAL)
+                .hasLineStart(200)
+                .hasColumnStart(2)
+                .hasFileName("C:/project/app/src/main/java/ui/Activity.kt");
+        assertThat(warnings.get(4)).hasSeverity(Severity.WARNING_NORMAL)
+                .hasLineStart(8)
+                .hasColumnStart(27)
+                .hasCategory("Deprecation")
+                .hasFileName("file:///project/src/main/java/com/app/ui/model/Activity.kt")
+                .hasMessage("'PackageStats' is deprecated. Deprecated in Java");
+    }
 }
 
diff --git a/src/test/resources/edu/hm/hafner/analysis/parser/kotlin-cmake.txt b/src/test/resources/edu/hm/hafner/analysis/parser/kotlin-cmake.txt
new file mode 100644
index 000000000..96d684a31
--- /dev/null
+++ b/src/test/resources/edu/hm/hafner/analysis/parser/kotlin-cmake.txt
@@ -0,0 +1,14 @@
+> Configure project :app
+Configuration 'compile' in project ':app' is deprecated. Use 'implementation' instead.
+registerResGeneratingTask is deprecated, use registerGeneratedFolders(FileCollection)
+app: 'annotationProcessor' dependencies won't be recognized as kapt annotation processors. Please change the configuration name to 'kapt' for these artifacts: 'com.android.databinding:compiler:3.0.1'.
+w: /project/app/src/main/java/ui/Activity.kt: (214, 35): Unchecked cast: Serializable! to kotlin.collections.HashMap<String, String> /* = java.util.HashMap<String, String> */
+w: /project/app/src/main/java/ui/Activity.kt:424:29 Unchecked cast: Serializable! to kotlin.collections.HashMap<String, String> /* = java.util.HashMap<String, String> */
+e: /project/app/src/main/java/ui/Activity.kt:425:29 deprecated: Serializable! to kotlin.collections.HashMap<String, String> /* = java.util.HashMap<String, String> */
+w: C:\project\app\src\main\java\ui\Activity.kt:200:2 'PackageStats' is deprecated. Deprecated in Java
+[2023-12-20T15:50:19.997Z] w: file:///project/src/main/java/com/app/ui/model/Activity.kt:8:27 'PackageStats' is deprecated. Deprecated in Java
+[2023-12-20T15:50:18.292Z] C/C++: -- Build files have been written to: /project/.cxx/Debug/365u2g4u/arm64-v8a
+C/C++: /project/src/cpp/MyClass.cpp:35:15: warning: unused parameter 'parameter1' [-Wunused-parameter]
+[2023-12-20T15:50:20.997Z] w: file:///project/src/main/java/com/app/ui/model/Activity.kt:8:27 'PackageStats' is deprecated. Deprecated in Java
+w: /project/app/src/main/java/ui/Activity.kt:424:29 Unchecked cast: Serializable! to kotlin.collections.HashMap<String, String> /* = java.util.HashMap<String, String> */
+w: C:\project\app\src\main\java\ui\Activity.kt:200:2 'PackageStats' is deprecated. Deprecated in Java
\ No newline at end of file