diff --git a/lib/path.cpp b/lib/path.cpp
index 6770267cfda..9317df6e60c 100644
--- a/lib/path.cpp
+++ b/lib/path.cpp
@@ -175,18 +175,7 @@ std::string Path::getCurrentExecutablePath(const char* fallback)
 
 bool Path::isAbsolute(const std::string& path)
 {
-#ifdef _WIN32
-    if (path.length() < 2)
-        return false;
-
-    if ((path[0] == '\\' || path[0] == '/') && (path[1] == '\\' || path[1] == '/'))
-        return true;
-
-    // On Windows, 'C:\foo\bar' is an absolute path, while 'C:foo\bar' is not
-    return std::isalpha(path[0]) && path[1] == ':' && (path[2] == '\\' || path[2] == '/');
-#else
-    return !path.empty() && path[0] == '/';
-#endif
+    return simplecpp::isAbsolutePath(path);
 }
 
 std::string Path::getRelativePath(const std::string& absolutePath, const std::vector<std::string>& basePaths)
diff --git a/test/testpath.cpp b/test/testpath.cpp
index 44d5f10a30b..c07bf777031 100644
--- a/test/testpath.cpp
+++ b/test/testpath.cpp
@@ -42,7 +42,6 @@ class TestPath : public TestFixture {
         TEST_CASE(acceptFile);
         TEST_CASE(getCurrentPath);
         TEST_CASE(getCurrentExecutablePath);
-        TEST_CASE(isAbsolute);
         TEST_CASE(getRelative);
         TEST_CASE(get_path_from_filename);
         TEST_CASE(join);
@@ -129,26 +128,6 @@ class TestPath : public TestFixture {
         ASSERT_EQUALS(false, Path::getCurrentExecutablePath("").empty());
     }
 
-    void isAbsolute() const {
-#ifdef _WIN32
-        ASSERT_EQUALS(true, Path::isAbsolute("C:\\foo\\bar"));
-        ASSERT_EQUALS(true, Path::isAbsolute("C:/foo/bar"));
-        ASSERT_EQUALS(true, Path::isAbsolute("\\\\foo\\bar"));
-        ASSERT_EQUALS(false, Path::isAbsolute("foo\\bar"));
-        ASSERT_EQUALS(false, Path::isAbsolute("foo/bar"));
-        ASSERT_EQUALS(false, Path::isAbsolute("foo.cpp"));
-        ASSERT_EQUALS(false, Path::isAbsolute("C:foo.cpp"));
-        ASSERT_EQUALS(false, Path::isAbsolute("C:foo\\bar.cpp"));
-        ASSERT_EQUALS(false, Path::isAbsolute("bar.cpp"));
-        TODO_ASSERT_EQUALS(true, false, Path::isAbsolute("\\"));
-#else
-        ASSERT_EQUALS(true, Path::isAbsolute("/foo/bar"));
-        ASSERT_EQUALS(true, Path::isAbsolute("/"));
-        ASSERT_EQUALS(false, Path::isAbsolute("foo/bar"));
-        ASSERT_EQUALS(false, Path::isAbsolute("foo.cpp"));
-#endif
-    }
-
     void getRelative() const {
         const std::vector<std::string> basePaths = {
             "", // Don't crash with empty paths