diff --git a/automysqlbackup.sh b/automysqlbackup.sh
index 3e7bd77..0f7ca4d 100755
--- a/automysqlbackup.sh
+++ b/automysqlbackup.sh
@@ -353,7 +353,7 @@ if [ "${PREBACKUP}" ]
 	${ECHO} ======================================================================
 	${ECHO} "Prebackup command output."
 	${ECHO}
-	eval ${PREBACKUP}
+	source ${PREBACKUP}
 	${ECHO}
 	${ECHO} ======================================================================
 	${ECHO}
@@ -534,7 +534,7 @@ if [ "${POSTBACKUP}" ]
 	${ECHO} ======================================================================
 	${ECHO} "Postbackup command output."
 	${ECHO}
-	eval ${POSTBACKUP}
+	source ${POSTBACKUP}
 	${ECHO}
 	${ECHO} ======================================================================
 fi