diff --git a/library/Makefile b/library/Makefile
index d7c1567..6aeb95f 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -146,9 +146,11 @@
 	echo "  LD    $@"
 	$(CC) -shared -Wl,-soname,$@ -Wl,--out-implib,$@.a -o $@ $(OBJS_CRYPTO) -lws2_32 -lwinmm -lgdi32 -static-libgcc $(LOCAL_LDFLAGS) $(LDFLAGS)
 
+libmbedcrypto.$(DLEXT): | libmbedcrypto.a
+
 .c.o:
 	echo "  CC    $<"
-	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) -c $< -o $@
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) -o $@ -c $<
 
 clean:
 ifndef WINDOWS