diff --git a/src/gui/gui.pro b/src/gui/gui.pro
index 511cfd1d22..cfdb5e889b 100644
--- a/src/gui/gui.pro
+++ b/src/gui/gui.pro
@@ -57,13 +57,13 @@ win32: CMAKE_WINDOWS_BUILD = True
 qtConfig(angle) {
     CMAKE_GL_INCDIRS = $$CMAKE_INCLUDE_DIR
     CMAKE_ANGLE_EGL_DLL_RELEASE = libEGL.dll
-    CMAKE_ANGLE_EGL_IMPLIB_RELEASE = libEGL.lib
+    CMAKE_ANGLE_EGL_IMPLIB_RELEASE = libEGL.$${QMAKE_EXTENSION_STATICLIB}
     CMAKE_ANGLE_GLES2_DLL_RELEASE = libGLESv2.dll
-    CMAKE_ANGLE_GLES2_IMPLIB_RELEASE = libGLESv2.lib
+    CMAKE_ANGLE_GLES2_IMPLIB_RELEASE = libGLESv2.$${QMAKE_EXTENSION_STATICLIB}
     CMAKE_ANGLE_EGL_DLL_DEBUG = libEGLd.dll
-    CMAKE_ANGLE_EGL_IMPLIB_DEBUG = libEGLd.lib
+    CMAKE_ANGLE_EGL_IMPLIB_DEBUG = libEGLd.$${QMAKE_EXTENSION_STATICLIB}
     CMAKE_ANGLE_GLES2_DLL_DEBUG = libGLESv2d.dll
-    CMAKE_ANGLE_GLES2_IMPLIB_DEBUG = libGLESv2d.lib
+    CMAKE_ANGLE_GLES2_IMPLIB_DEBUG = libGLESv2d.$${QMAKE_EXTENSION_STATICLIB}
 
     CMAKE_QT_OPENGL_IMPLEMENTATION = GLESv2
 } else {