diff --git a/tests/auto/sdktool/sdktool.pro b/tests/auto/sdktool/sdktool.pro
index d333b897287..b83c78847f9 100644
--- a/tests/auto/sdktool/sdktool.pro
+++ b/tests/auto/sdktool/sdktool.pro
@@ -1,5 +1,5 @@
 include(../qttest.pri)
 
-DEFINES += "SDKTOOL_DIR=\\\"$$IDE_LIBEXEC_PATH\\\""
+DEFINES += "SDKTOOL_DIR=\\\"$$replace(IDE_LIBEXEC_PATH, " ", "\\ ")\\\""
 
 SOURCES += tst_sdktool.cpp