diff --git a/config.tests/unix/freetype/freetype.pri b/config.tests/unix/freetype/freetype.pri
index be2fc332657..05299ed2fd3 100644
--- a/config.tests/unix/freetype/freetype.pri
+++ b/config.tests/unix/freetype/freetype.pri
@@ -2,6 +2,7 @@
     TRY_INCLUDEPATHS = /include /usr/include $$QMAKE_INCDIR $$QMAKE_INCDIR_X11 $$INCLUDEPATH
     # LSB doesn't allow using headers from /include or /usr/include
     linux-lsb-g++:TRY_INCLUDEPATHS = $$QMAKE_INCDIR $$QMAKE_INCDIR_X11 $$INCLUDEPATH
+    haiku:TRY_INCLUDEPATHS += /system/develop/headers
     for(p, TRY_INCLUDEPATHS) {
         p = $$join(p, "", "", "/freetype2")
         exists($$p):INCLUDEPATH *= $$p