diff --git a/detectors/ir/bin/go_ir.sh b/detectors/ir/bin/go_ir.sh
index e199449..2f7a0bb 100755
--- a/detectors/ir/bin/go_ir.sh
+++ b/detectors/ir/bin/go_ir.sh
@@ -61,4 +61,4 @@ pushTmpDir ORG.ir
 
 popTmpDir
 
-exit 0
\ No newline at end of file
+exit 0
diff --git a/detectors/normalize/lib/lookforIR.lib.sh b/detectors/normalize/lib/lookforIR.lib.sh
index 1919a21..0070c2d 100644
--- a/detectors/normalize/lib/lookforIR.lib.sh
+++ b/detectors/normalize/lib/lookforIR.lib.sh
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 source "${THIS_DIR}/../../../scripts/bash_init.sh"
 
 SELECTIR="${PROG_DIR}/../../normalize/lib/selectIR.py"
diff --git a/detectors/trna/bin/go_trna.sh b/detectors/trna/bin/go_trna.sh
index dd6f468..0647825 100755
--- a/detectors/trna/bin/go_trna.sh
+++ b/detectors/trna/bin/go_trna.sh
@@ -33,7 +33,7 @@ pushTmpDir ORG.trna
 	TRNA=$(basename ${QUERY})
 	
 	aragorn -i -w -seq ${QUERY} | \
-		${PROG_DIR}/../lib/aragorn_wrapper.awk
+		${CmdAwk} -f ${PROG_DIR}/../lib/aragorn_wrapper.awk
 	
 
 popTmpDir