diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index 82bbfabc2bb..82d19faa34a 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -83,7 +83,7 @@ contains(BITCOIN_NEED_QT_PLUGINS, 1) {
 # regenerate src/build.h
 !windows || contains(USE_BUILD_INFO, 1) {
     genbuild.depends = FORCE
-    genbuild.commands = cd $$PWD; share/genbuild.sh $$OUT_PWD/build/build.h
+    genbuild.commands = cd $$PWD; /bin/sh share/genbuild.sh $$OUT_PWD/build/build.h
     genbuild.target = genbuildhook
     PRE_TARGETDEPS += genbuildhook
     QMAKE_EXTRA_TARGETS += genbuild
diff --git a/src/makefile.linux-mingw b/src/makefile.linux-mingw
index 81934187e2c..540dacb2d12 100644
--- a/src/makefile.linux-mingw
+++ b/src/makefile.linux-mingw
@@ -69,7 +69,7 @@ OBJS= \
 all: bitcoind.exe
 
 obj/build.h: FORCE
-	../share/genbuild.sh obj/build.h
+	/bin/sh ../share/genbuild.sh obj/build.h
 version.cpp: obj/build.h
 DEFS += -DHAVE_BUILD_INFO
 
diff --git a/src/makefile.osx b/src/makefile.osx
index be95aab446a..0df15199842 100644
--- a/src/makefile.osx
+++ b/src/makefile.osx
@@ -106,7 +106,7 @@ all: bitcoind
 -include obj-test/*.P
 
 obj/build.h: FORCE
-	../share/genbuild.sh obj/build.h
+	/bin/sh ../share/genbuild.sh obj/build.h
 version.cpp: obj/build.h
 DEFS += -DHAVE_BUILD_INFO
 
diff --git a/src/makefile.unix b/src/makefile.unix
index 90be398976d..5c452582b6b 100644
--- a/src/makefile.unix
+++ b/src/makefile.unix
@@ -116,7 +116,7 @@ all: bitcoind
 -include obj-test/*.P
 
 obj/build.h: FORCE
-	../share/genbuild.sh obj/build.h
+	/bin/sh ../share/genbuild.sh obj/build.h
 version.cpp: obj/build.h
 DEFS += -DHAVE_BUILD_INFO