diff --git a/Makefile.install b/Makefile.install
index 9fc8d7ad6..7eb7b5fc3 100644
--- a/Makefile.install
+++ b/Makefile.install
@@ -83,7 +83,7 @@ ifeq ($(OSNAME), Darwin)
 endif
 ifeq ($(OSNAME), WINNT)
 	@-cp $(LIBDLLNAME) $(OPENBLAS_BINARY_DIR)
-	@-cp $(LIBPREFIX).lib $(OPENBLAS_LIBRARY_DIR)
+	@-cp $(LIBDLLNAME).a $(OPENBLAS_LIBRARY_DIR)
 endif
 ifeq ($(OSNAME), CYGWIN_NT)
 	@-cp $(LIBDLLNAME) $(OPENBLAS_BINARY_DIR)
diff --git a/exports/Makefile b/exports/Makefile
index 70fde4f45..a2e7ee3b2 100644
--- a/exports/Makefile
+++ b/exports/Makefile
@@ -84,7 +84,7 @@ dll  : ../$(LIBDLLNAME)
 ../$(LIBDLLNAME) : ../$(LIBNAME) libopenblas.def dllinit.$(SUFFIX)
 	$(RANLIB) ../$(LIBNAME)
 	$(CC) $(CFLAGS) $(LDFLAGS) libopenblas.def dllinit.$(SUFFIX) \
-	-shared -o ../$(LIBDLLNAME) -Wl,--out-implib,../$(LIBPREFIX).lib \
+	-shared -o ../$(LIBDLLNAME) -Wl,--out-implib,../$(LIBDLLNAME).a \
 	-Wl,--whole-archive ../$(LIBNAME) -Wl,--no-whole-archive $(FEXTRALIB) $(EXTRALIB)
 
 libopenblas.def : gensymbol