diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index cd9755e8..9f24b551 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -95,13 +95,13 @@ contains(BITCOIN_NEED_QT_PLUGINS, 1) {
 INCLUDEPATH += src/leveldb/include src/leveldb/helpers
 LIBS += $$PWD/src/leveldb/libleveldb.a $$PWD/src/leveldb/libmemenv.a
 !windows {
-    genleveldb.commands = cd $$PWD/src/leveldb ; $(MAKE) libleveldb.a libmemenv.a
+    genleveldb.commands = cd $$PWD/src/leveldb && $(MAKE) libleveldb.a libmemenv.a
 } else {
     # make an educated guess about what the ranlib command is called
     isEmpty(QMAKE_RANLIB) {
         QMAKE_RANLIB = $$replace(QMAKE_STRIP, strip, ranlib)
     }
-    genleveldb.commands = cd $$PWD/src/leveldb ; CC=$$QMAKE_CC CXX=$$QMAKE_CXX TARGET_OS=OS_WINDOWS_CROSSCOMPILE CXXFLAGS="-I$$BOOST_INCLUDE_PATH" LDFLAGS="-L$$BOOST_LIB_PATH" $(MAKE) libleveldb.a libmemenv.a ; $$QMAKE_RANLIB $$PWD/src/leveldb/libleveldb.a ; $$QMAKE_RANLIB $$PWD/src/leveldb/libmemenv.a
+    genleveldb.commands = cd $$PWD/src/leveldb && CC=$$QMAKE_CC CXX=$$QMAKE_CXX TARGET_OS=OS_WINDOWS_CROSSCOMPILE CXXFLAGS="-I$$BOOST_INCLUDE_PATH" LDFLAGS="-L$$BOOST_LIB_PATH" $(MAKE) libleveldb.a libmemenv.a && $$QMAKE_RANLIB $$PWD/src/leveldb/libleveldb.a && $$QMAKE_RANLIB $$PWD/src/leveldb/libmemenv.a
 }
 genleveldb.target = $$PWD/src/leveldb/libleveldb.a
 genleveldb.depends = FORCE
diff --git a/src/makefile.linux-mingw b/src/makefile.linux-mingw
index f4adbb2b..ef566b9c 100644
--- a/src/makefile.linux-mingw
+++ b/src/makefile.linux-mingw
@@ -92,7 +92,7 @@ LIBS += $(CURDIR)/leveldb/libleveldb.a $(CURDIR)/leveldb/libmemenv.a
 DEFS += -I"$(CURDIR)/leveldb/include"
 DEFS += -I"$(CURDIR)/leveldb/helpers"
 leveldb/libleveldb.a:
-	@echo "Building LevelDB ..."; cd leveldb; TARGET_OS=OS_WINDOWS_CROSSCOMPILE CXXFLAGS="-I$(INCLUDEPATHS)" LDFLAGS="-L$(LIBPATHS)" make libleveldb.a libmemenv.a; cd ..
+	@echo "Building LevelDB ..." && cd leveldb && TARGET_OS=OS_WINDOWS_CROSSCOMPILE CXXFLAGS="-I$(INCLUDEPATHS)" LDFLAGS="-L$(LIBPATHS)" make libleveldb.a libmemenv.a && cd ..
 obj/leveldb.o: leveldb/libleveldb.a
 
 obj/build.h: FORCE
diff --git a/src/makefile.mingw b/src/makefile.mingw
index 945ec770..a6008fa6 100644
--- a/src/makefile.mingw
+++ b/src/makefile.mingw
@@ -95,7 +95,7 @@ LIBS += $(CURDIR)/leveldb/libleveldb.a $(CURDIR)/leveldb/libmemenv.a
 DEFS += $(addprefix -I,$(CURDIR)/leveldb/include)
 DEFS += $(addprefix -I,$(CURDIR)/leveldb/helpers)
 leveldb/libleveldb.a:
-	cd leveldb; make libleveldb.a libmemenv.a; cd ..
+	cd leveldb && make libleveldb.a libmemenv.a && cd ..
 obj/leveldb.o: leveldb/libleveldb.lib
 
 obj/%.o: %.cpp $(HEADERS)
diff --git a/src/makefile.osx b/src/makefile.osx
index f3e17d0d..9629545c 100644
--- a/src/makefile.osx
+++ b/src/makefile.osx
@@ -128,7 +128,7 @@ LIBS += $(CURDIR)/leveldb/libleveldb.a $(CURDIR)/leveldb/libmemenv.a
 DEFS += $(addprefix -I,$(CURDIR)/leveldb/include)
 DEFS += $(addprefix -I,$(CURDIR)/leveldb/helpers)
 leveldb/libleveldb.a:
-	@echo "Building LevelDB ..."; cd leveldb; make libleveldb.a libmemenv.a; cd ..
+	@echo "Building LevelDB ..." && cd leveldb && make libleveldb.a libmemenv.a && cd ..
 obj/leveldb.o: leveldb/libleveldb.a
 
 # auto-generated dependencies:
diff --git a/src/makefile.unix b/src/makefile.unix
index df05f799..653f512e 100644
--- a/src/makefile.unix
+++ b/src/makefile.unix
@@ -144,7 +144,7 @@ LIBS += $(CURDIR)/leveldb/libleveldb.a $(CURDIR)/leveldb/libmemenv.a
 DEFS += $(addprefix -I,$(CURDIR)/leveldb/include)
 DEFS += $(addprefix -I,$(CURDIR)/leveldb/helpers)
 leveldb/libleveldb.a:
-	@echo "Building LevelDB ..."; cd leveldb; make libleveldb.a libmemenv.a; cd ..;
+	@echo "Building LevelDB ..." && cd leveldb && make libleveldb.a libmemenv.a && cd ..
 obj/leveldb.o: leveldb/libleveldb.a
 
 # auto-generated dependencies: