diff --git a/tools/qfcc/test/Makefile.am b/tools/qfcc/test/Makefile.am
index 44af07aa3..e12101ff9 100644
--- a/tools/qfcc/test/Makefile.am
+++ b/tools/qfcc/test/Makefile.am
@@ -4,7 +4,7 @@ INCLUDES= -I$(top_srcdir)/include $(QFCC_INCS)
 QFCC_DEP=$(builddir)/../source/qfcc$(EXEEXT)
 QFCC=$(QFCC_DEP)
 
-QCFLAGS=-qq -O -g --no-default-paths
+QCFLAGS=-qq -O -g --no-default-paths -Werror
 QCPPFLAGS=
 QCOMPILE=$(QFCC) $(QCFLAGS) $(QCPPFLAGS)
 
@@ -26,6 +26,7 @@ test_progs_dat=\
 	infloop.dat \
 	modulo.dat \
 	structptr.dat \
+	vecinit.dat \
 	while.dat
 
 fail_progs_dat=\
@@ -89,6 +90,13 @@ structptr.dat: $(structptr_obj) $(QFCC_DEP)
 structptr.run: Makefile build-run
 	$(srcdir)/build-run $@
 
+vecinit_dat_SOURCES=vecinit.r
+vecinit_obj=$(vecinit_dat_SOURCES:.r=.qfo)
+vecinit.dat: $(vecinit_obj) $(QFCC_DEP)
+	$(QFCC) $(QCFLAGS) -o $@ $(vecinit_obj)
+vecinit.run: Makefile build-run
+	$(srcdir)/build-run $@
+
 while_dat_SOURCES=while.r
 while_obj=$(while_dat_SOURCES:.r=.qfo)
 while.dat: $(while_obj) $(QFCC_DEP)
diff --git a/tools/qfcc/test/vecinit.r b/tools/qfcc/test/vecinit.r
new file mode 100644
index 000000000..6503b390d
--- /dev/null
+++ b/tools/qfcc/test/vecinit.r
@@ -0,0 +1,15 @@
+vector
+foo (float x, float y, float z)
+{
+	vector v;
+	v.x = x;
+	v.y = y;
+	v.z = z;
+	return v;
+}
+
+int
+main ()
+{
+	return 0;
+}