4 files changed, 7 insertions, 7 deletions
diff --git a/testsuite/gna/bug16144/testsuite.sh b/testsuite/gna/bug16144/testsuite.sh
index 7a261ed..3175278 100755
--- a/testsuite/gna/bug16144/testsuite.sh
+++ b/testsuite/gna/bug16144/testsuite.sh
@@ -2,6 +2,6 @@
 
 . ../../testenv.sh
 
-$GHDL --lines adder.vhdl
+"$GHDL" --lines adder.vhdl
 
 echo "Test successful"
diff --git a/testsuite/gna/ticket30/testsuite.sh b/testsuite/gna/ticket30/testsuite.sh
index 47e2076..78d21cc 100755
--- a/testsuite/gna/ticket30/testsuite.sh
+++ b/testsuite/gna/ticket30/testsuite.sh
@@ -2,8 +2,8 @@
 
 . ../../testenv.sh
 
-$GHDL -i lib_numeric_tb.vhd
-$GHDL -m numeric_tb
+"$GHDL" -i lib_numeric_tb.vhd
+"$GHDL" -m numeric_tb
 simulate numeric_tb --stop-time=10ns --wave=numeric_tb.ghw \
  --sdf=typ==lib_numeric_tb.sdf
 
diff --git a/testsuite/gna/ticket51/testsuite.sh b/testsuite/gna/ticket51/testsuite.sh
index ae261dc..2eb6c9d 100755
--- a/testsuite/gna/ticket51/testsuite.sh
+++ b/testsuite/gna/ticket51/testsuite.sh
@@ -5,11 +5,11 @@
 analyze ent.vhdl
 elab_simulate ent
 
-if $GHDL -v | grep -q mcode; then
+if "$GHDL" -v | grep -q mcode; then
   echo "-o not supported by mcode"
 else
-  $GHDL --elab-run -o ent1 ent
-  $GHDL --elab-run -o $PWD/ent2 ent
+  "$GHDL" --elab-run -o ent1 ent
+  "$GHDL" --elab-run -o "$PWD/ent2" ent
 fi
 
 rm -f ent1 ent2
diff --git a/testsuite/gna/ticket77/testsuite.sh b/testsuite/gna/ticket77/testsuite.sh
index cc5d754..7f71733 100755
--- a/testsuite/gna/ticket77/testsuite.sh
+++ b/testsuite/gna/ticket77/testsuite.sh
@@ -11,7 +11,7 @@ analyze_elab_simulate_status()
   analyze $file
   set +e
   echo "elaborate and simulate $ent"
-  $GHDL --elab-run $GHDL_STD_FLAGS $ent
+  "$GHDL" --elab-run $GHDL_STD_FLAGS $ent
   if [ $? -ne $status ]; then
     echo "Exit status $status expected"
     exit 1