diff --git a/lib/sqlite/Makefile.am b/lib/sqlite/Makefile.am
index ce2990ca9..772e24f7e 100644
--- a/lib/sqlite/Makefile.am
+++ b/lib/sqlite/Makefile.am
@@ -7,6 +7,7 @@ AM_CPPFLAGS += -DSQLITE_THREADSAFE=1
 endif
 
 AM_CPPFLAGS += -DSQLITE_WITHOUT_ZONEMALLOC=1
+WFLAGS =
 
 lib_LTLIBRARIES = libheimsqlite.la