diff --git a/qbs/modules/libclang/functions.js b/qbs/modules/libclang/functions.js
index fe61da62dd1..a786e23d656 100644
--- a/qbs/modules/libclang/functions.js
+++ b/qbs/modules/libclang/functions.js
@@ -29,7 +29,7 @@ function isSuitableLLVMConfig(llvmConfigCandidate, qtcFunctions)
     return false;
 }
 
-function llvmConfig(qbs, qtcFunctions)
+function llvmConfig(hostOS, qtcFunctions)
 {
     var llvmInstallDirFromEnv = Environment.getEnv("LLVM_INSTALL_DIR")
     var llvmConfigVariants = [
@@ -37,7 +37,7 @@ function llvmConfig(qbs, qtcFunctions)
     ];
 
     // Prefer llvm-config* from LLVM_INSTALL_DIR
-    var suffix = qbs.hostOS.contains("windows") ? ".exe" : "";
+    var suffix = hostOS.contains("windows") ? ".exe" : "";
     if (llvmInstallDirFromEnv) {
         for (var i = 0; i < llvmConfigVariants.length; ++i) {
             var variant = llvmInstallDirFromEnv + "/bin/" + llvmConfigVariants[i] + suffix;
@@ -48,7 +48,7 @@ function llvmConfig(qbs, qtcFunctions)
 
     // Find llvm-config* in PATH
     var pathListString = Environment.getEnv("PATH");
-    var separator = qbs.hostOS.contains("windows") ? ";" : ":";
+    var separator = hostOS.contains("windows") ? ";" : ":";
     var pathList = pathListString.split(separator);
     for (var i = 0; i < llvmConfigVariants.length; ++i) {
         for (var j = 0; j < pathList.length; ++j) {
diff --git a/qbs/modules/libclang/libclang.qbs b/qbs/modules/libclang/libclang.qbs
index 402e4922176..8adf39a220a 100644
--- a/qbs/modules/libclang/libclang.qbs
+++ b/qbs/modules/libclang/libclang.qbs
@@ -9,6 +9,9 @@ Module {
     Probe {
         id: clangProbe
 
+        property stringList hostOS: qbs.hostOS
+        property stringList targetOS: qbs.targetOS
+
         property string llvmConfig
         property string llvmVersion
         property string llvmIncludeDir
@@ -21,12 +24,12 @@ Module {
         property string llvmBuildMode
 
         configure: {
-            llvmConfig = ClangFunctions.llvmConfig(qbs, QtcFunctions);
+            llvmConfig = ClangFunctions.llvmConfig(hostOS, QtcFunctions);
             llvmVersion = ClangFunctions.version(llvmConfig);
             llvmIncludeDir = ClangFunctions.includeDir(llvmConfig);
             llvmLibDir = ClangFunctions.libDir(llvmConfig);
-            llvmLibs = ClangFunctions.libraries(qbs.targetOS);
-            llvmToolingLibs = ClangFunctions.toolingLibs(llvmConfig, qbs.targetOS);
+            llvmLibs = ClangFunctions.libraries(targetOS);
+            llvmToolingLibs = ClangFunctions.toolingLibs(llvmConfig, targetOS);
             llvmBuildMode = ClangFunctions.buildMode(llvmConfig);
             var toolingParams = ClangFunctions.toolingParameters(llvmConfig);
             llvmToolingDefines = toolingParams.defines;