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-rwxr-xr-xscripts/ciao_bkg_spectra.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/ciao_bkg_spectra.sh b/scripts/ciao_bkg_spectra.sh
index b4dbbbd..4cb8475 100755
--- a/scripts/ciao_bkg_spectra.sh
+++ b/scripts/ciao_bkg_spectra.sh
@@ -311,7 +311,7 @@ for reg_i in ${REGLIST}; do
# NO spectrum grouping (group by self using `grppha')
# 'pbkfile' parameter deprecated in CIAO-4.6
if `pget specextract pbkfile >/dev/null 2>&1`; then
- P_PBKFILE="pbkfile='${PBK}'"
+ P_PBKFILE="pbkfile=${PBK}"
else
P_PBKFILE=""
fi