diff --git a/qmake/tom.pri b/qmake/tom.pri
index 9b5b688d8..2338c524e 100644
--- a/qmake/tom.pri
+++ b/qmake/tom.pri
@@ -75,6 +75,8 @@ tiny_resource_and_manifest(                                               \
     $$tinyRcIncludepath, $$TINYTOM_SOURCE_TREE/resources, tom, Tom        \
 )
 
+unset(tinyRcIncludepath)
+
 # Link against TinyORM library
 # ---
 
diff --git a/tests/qmake/common.pri b/tests/qmake/common.pri
index 6f1467fe0..d9a219345 100644
--- a/tests/qmake/common.pri
+++ b/tests/qmake/common.pri
@@ -45,6 +45,7 @@ include(TinyOrm.pri)
 
 # Find Windows manifest
 mingw: tinyRcIncludepath += $$quote($$TINYORM_SOURCE_TREE/tests/resources/)
+else:  tinyRcIncludepath =
 
 load(tiny_resource_and_manifest)
 tiny_resource_and_manifest($$tinyRcIncludepath,     \