@@ -12,9 +12,9 @@
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.1 libobjfw.so.1.0 libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.1
 	ln -s ../../src/libobjfw.so libobjfw.so.1.0
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
-	LD_LIBRARY_PATH=. \
-	DYLD_LIBRARY_PATH=. \
+	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
+	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	./${PROG_NOINST}
 	rm -f libobjfw.so.1 libobjfw.so.1.0 libobjfw.dylib