diff --git a/src/shared/proparser/qmakebuiltins.cpp b/src/shared/proparser/qmakebuiltins.cpp
index 79a2a9c6bb4..acfaf78ada7 100644
--- a/src/shared/proparser/qmakebuiltins.cpp
+++ b/src/shared/proparser/qmakebuiltins.cpp
@@ -77,7 +77,7 @@ enum ExpandFunc {
     E_FIND, E_SYSTEM, E_UNIQUE, E_REVERSE, E_QUOTE, E_ESCAPE_EXPAND,
     E_UPPER, E_LOWER, E_FILES, E_PROMPT, E_RE_ESCAPE, E_VAL_ESCAPE,
     E_REPLACE, E_SORT_DEPENDS, E_RESOLVE_DEPENDS, E_ENUMERATE_VARS,
-    E_SHADOWED, E_ABSOLUTE_PATH, E_RELATIVE_PATH
+    E_SHADOWED, E_ABSOLUTE_PATH, E_RELATIVE_PATH, E_CLEAN_PATH
 };
 
 enum TestFunc {
@@ -127,6 +127,7 @@ void QMakeEvaluator::initFunctionStatics()
         { "shadowed", E_SHADOWED },
         { "absolute_path", E_ABSOLUTE_PATH },
         { "relative_path", E_RELATIVE_PATH },
+        { "clean_path", E_CLEAN_PATH },
     };
     for (unsigned i = 0; i < sizeof(expandInits)/sizeof(expandInits[0]); ++i)
         statics.expands.insert(ProString(expandInits[i].name), expandInits[i].func);
@@ -854,6 +855,13 @@ ProStringList QMakeEvaluator::evaluateExpandFunction(
                     QDir(args.count() > 1 ? args.at(1).toQString(m_tmp2) : currentDirectory())
                     .relativeFilePath(args.at(0).toQString(m_tmp1))), NoHash).setSource(args.at(0));
         break;
+    case E_CLEAN_PATH:
+        if (args.count() != 1)
+            evalError(fL1S("clean_path(path) requires one argument."));
+        else
+            ret << ProString(QDir::cleanPath(args.at(0).toQString(m_tmp1)),
+                             NoHash).setSource(args.at(0));
+        break;
     case E_INVALID:
         evalError(fL1S("'%1' is not a recognized replace function.")
                   .arg(func.toQString(m_tmp1)));