diff --git a/plugins/clang/tests/test_clangutils.cpp b/plugins/clang/tests/test_clangutils.cpp
--- a/plugins/clang/tests/test_clangutils.cpp
+++ b/plugins/clang/tests/test_clangutils.cpp
@@ -271,6 +271,8 @@
 void TestClangUtils::testRangeForIncludePathSpec()
 {
     QCOMPARE(ClangUtils::rangeForIncludePathSpec("#include <vector>"), KTextEditor::Range(0, 10, 0, 16));
+    QCOMPARE(ClangUtils::rangeForIncludePathSpec("# include <vector>"), KTextEditor::Range(0, 11, 0, 17));
+    QCOMPARE(ClangUtils::rangeForIncludePathSpec("#\t include <vector>"), KTextEditor::Range(0, 12, 0, 18));
     QCOMPARE(ClangUtils::rangeForIncludePathSpec("#include <foo\\\".h>"), KTextEditor::Range(0, 10, 0, 17));
     QCOMPARE(ClangUtils::rangeForIncludePathSpec("#include \"foo\\\".h\""), KTextEditor::Range(0, 10, 0, 17));
     QCOMPARE(ClangUtils::rangeForIncludePathSpec("#include \"foo<>.h\""), KTextEditor::Range(0, 10, 0, 17));
diff --git a/plugins/clang/util/clangutils.cpp b/plugins/clang/util/clangutils.cpp
--- a/plugins/clang/util/clangutils.cpp
+++ b/plugins/clang/util/clangutils.cpp
@@ -78,7 +78,7 @@
 
 KTextEditor::Range ClangUtils::rangeForIncludePathSpec(const QString& line, const KTextEditor::Range& originalRange)
 {
-    static const QRegularExpression pattern(QStringLiteral("^\\s*(#include|#import)"));
+    static const QRegularExpression pattern(QStringLiteral("^\\s*(#\\s*include|#\\s*import)"));
     if (!line.contains(pattern)) {
         return KTextEditor::Range::invalid();
     }