diff --git a/share/qtcreator/qml/qmljsdebugger/qmljsdebugger.pro b/share/qtcreator/qml/qmljsdebugger/qmljsdebugger.pro
index 34d687f9b8aea15f33f0ee25662eea533bf76bd9..db7fc2c6e23d64b25866cb138c7041d4f60e9b4c 100644
--- a/share/qtcreator/qml/qmljsdebugger/qmljsdebugger.pro
+++ b/share/qtcreator/qml/qmljsdebugger/qmljsdebugger.pro
@@ -12,9 +12,9 @@ DEFINES += BUILD_QMLJSDEBUGGER_STATIC_LIB
 unix:QMAKE_CXXFLAGS_DEBUG += -O3
 
 DESTDIR = $$PWD
-TARGET=qmljsdebugger
+TARGET=QmlJSDebugger
 CONFIG(debug, debug|release) {
-   windows:TARGET=qmljsdebuggerd
+   windows:TARGET=QmlJSDebuggerd
 }
 
 # JS Debugging
diff --git a/share/qtcreator/qml/qmlobserver/qmlobserver.pro b/share/qtcreator/qml/qmlobserver/qmlobserver.pro
index b442d957967433a63af3088a2ed3754820c4ca6c..6cccc3e29ed0dc431187738e30bf266709de8bfa 100644
--- a/share/qtcreator/qml/qmlobserver/qmlobserver.pro
+++ b/share/qtcreator/qml/qmlobserver/qmlobserver.pro
@@ -8,9 +8,9 @@ SOURCES += main.cpp
 
 # INCLUDEPATH and library path has to be extended by qmake call
 
-DEBUGLIB=qmljsdebugger
+DEBUGLIB=QmlJSDebugger
 CONFIG(debug, debug|release) {
-    windows:DEBUGLIB = qmljsdebuggerd
+    windows:DEBUGLIB = QmlJSDebuggerd
 }
 LIBS+=-l$$DEBUGLIB
 
diff --git a/src/plugins/qt4projectmanager/qmldebugginglibrary.cpp b/src/plugins/qt4projectmanager/qmldebugginglibrary.cpp
index ff38b50f524993bad5606f26fc6b494d816aadf6..0e5ce3e92a31ff0c6a4713b30a6c697cf36775ff 100644
--- a/src/plugins/qt4projectmanager/qmldebugginglibrary.cpp
+++ b/src/plugins/qt4projectmanager/qmldebugginglibrary.cpp
@@ -56,12 +56,12 @@ QString QmlDebuggingLibrary::libraryByInstallData(const QString &qtInstallData,
 
     QStringList binFilenames;
     if (debugBuild) {
-        binFilenames << QLatin1String("qmljsdebuggerd.lib");
-        binFilenames << QLatin1String("libqmljsdebuggerd.a"); // mingw
+        binFilenames << QLatin1String("QmlJSDebuggerd.lib");
+        binFilenames << QLatin1String("libQmlJSDebuggerd.a"); // mingw
     } else {
-        binFilenames << QLatin1String("qmljsdebugger.lib");
+        binFilenames << QLatin1String("QmlJSDebugger.lib");
     }
-    binFilenames << QLatin1String("libqmljsdebugger.a");
+    binFilenames << QLatin1String("libQmlJSDebugger.a");
 
     return byInstallDataHelper(sourcePath(), sourceFileNames(), directories, binFilenames);
 }