diff --git a/Regression/processing-params-in-reverse-order/runtest.sh b/Regression/processing-params-in-reverse-order/runtest.sh
index f96ee7a..a985759 100755
--- a/Regression/processing-params-in-reverse-order/runtest.sh
+++ b/Regression/processing-params-in-reverse-order/runtest.sh
@@ -32,8 +32,8 @@ rlJournalStart
     rlPhaseStartTest
         rlRun "TMP=$(mktemp)"
         rlRun "annocheck --verbose --skip-all --test-stack-prot /bin/bash /bin/cat |& tee $TMP"
-        rlRun "fgrep -i /bin/ $TMP | head -1 | fgrep /bash"
-        rlRun "fgrep -i /bin/ $TMP | tail -1 | fgrep /cat"
+        rlRun "grep -F -i /bin/ $TMP | head -1 | grep -F /bash"
+        rlRun "grep -F -i /bin/ $TMP | tail -1 | grep -F /cat"
         rlRun "rm -f $TMP"
     rlPhaseEnd
 rlJournalPrintText
diff --git a/Regression/testsuite/runtest.sh b/Regression/testsuite/runtest.sh
index 3162c2a..5406771 100755
--- a/Regression/testsuite/runtest.sh
+++ b/Regression/testsuite/runtest.sh
@@ -52,7 +52,7 @@ rlJournalStart
         # uninstalling unneeded RPMs, we'll need an override mechanism. The
         # following assumes just one SCL *enabled* (more than one installed),
         # and doesn't care of a (useless) revert:
-        echo ${X_SCLS} | fgrep toolset && \
+        echo ${X_SCLS} | grep -F toolset && \
             rlRun "cat /etc/rpm/*${X_SCLS%\ }* > ~/.rpmmacros"
 
         rlAssertRpm $PACKAGE