diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7ed91d14955..d5d9e5e10c9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2011-12-16  Tristan Gingold  <gingold@adacore.com>
+
+	* config/vms/t-vms (vms.o, vms-c.o): Force output filename.
+
 2011-12-16  Tristan Gingold  <gingold@adacore.com>
 
 	* config/vms/vms.c (VMS_CRTL_GLOBAL): Define.
diff --git a/gcc/config/vms/t-vms b/gcc/config/vms/t-vms
index 61f9df55c31..6af3df806a9 100644
--- a/gcc/config/vms/t-vms
+++ b/gcc/config/vms/t-vms
@@ -31,10 +31,11 @@ vms-crtlmap.h: $(srcdir)/config/vms/vms-crtlmap.map  \
 
 vms.o: $(srcdir)/config/vms/vms.c $(TREE_H) $(CONFIG_H) $(SYSTEM_H) \
   coretypes.h $(TM_P_H) vms-crtlmap.h
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $<
+	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+	  $< -o $@
 
 vms-c.o: $(srcdir)/config/vms/vms-c.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
   $(TM_H) $(CPPLIB_H) $(TREE_H) c-family/c-pragma.h toplev.h $(GGC_H) \
   $(TM_P_H)
 	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
-          $(PREPROCESSOR_DEFINES) \$<
+          $(PREPROCESSOR_DEFINES) $< -o $@