diff --git a/siplib/siplib.sbf b/siplib/siplib.sbf
index 79f9a45..2e17ba5 100644
--- a/siplib/siplib.sbf
+++ b/siplib/siplib.sbf
@@ -15,5 +15,5 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
 target = sip
-sources = siplib.c apiversions.c descriptors.c qtlib.c threads.c objmap.c voidptr.c bool.cpp
+sources = siplib.c apiversions.c descriptors.c tqtlib.c threads.c objmap.c voidptr.c bool.cpp
 headers = sip.h sipint.h
diff --git a/siplib/qtlib.c b/siplib/tqtlib.c
similarity index 100%
rename from siplib/qtlib.c
rename to siplib/tqtlib.c