diff --git a/make/defs.mk b/make/defs.mk
index c179ca6a..03e5de32 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -672,7 +672,8 @@ GENERATE_FUNC_TIMERS   = $(MODDIR)/YStopWatchThreadList/generate_func_timers.sh
 
 RM                     = rm
 AR                     = ar
-LOG_INSTALL_SH         = $(MOD_SCRIPT_DIR)/pkg.sh log-install
+PKG_SH_EXE             = /bin/bash $(MOD_SCRIPT_DIR)/pkg.sh
+LOG_INSTALL_SH         = $(PKG_SH_EXE) log-install
 
 ifeq ($(LOG_THREAD_NAMES), true)
 	BUILD_CFLAGS  += -DSLOG_THREAD_NAMES
diff --git a/make/rpmdist.mk b/make/rpmdist.mk
index 09f12cb1..32791fef 100644
--- a/make/rpmdist.mk
+++ b/make/rpmdist.mk
@@ -17,7 +17,7 @@ FTP_HOST                 ?= ftp.jannet.de
 FTP_HOST_LOGIN           ?= root
 RPM_VERSION              ?= $(DIST_VERSION)
 LAST_RPM_VERSION_FILE     = $(TOPDIR)/LAST_RPM_VERSION$(FLAVOUR_SUFFIX)
-LAST_RPM_VERSION         ?= $(shell sh $(MOD_SCRIPT_DIR)/pkg.sh version \
+LAST_RPM_VERSION         ?= $(shell $(PKG_SH_EXE) version \
 	-p $(OS)/$(RPM_ARCH) $(LAST_RPM_VERSION_FILE) read | $(SED) 's/-dev//')
 RPMBUILD                 ?= pkgbuild
 CHECK_CVS_SYNC_BEFORE_RPM_RELEASE ?= true
@@ -78,7 +78,7 @@ unexport RPM_VERSION VERSION DIST_SRC_DIR
 include $(MODDIR)/make/tag-rules.mk
 include $(MODDIR)/make/upload-rules.mk
 
-PKG_SH          = /bin/bash $(MOD_SCRIPT_DIR)/pkg.sh \
+PKG_SH          = $(PKG_SH_EXE) \
 	-N $(RPM_PROJECT) \
 	-R "$(RPM_REQUIRES_RUN)" -D "$(RPM_REQUIRES_DEVEL)" -P $(PROJECT) \
 	-m $(MOD_SCRIPT_DIR) -a $(RPM_ARCH) -p $(DIST_PCKG_DIR) -F $(PKG_FORMAT)