diff --git a/plugins-scripts/check_oracle.sh b/plugins-scripts/check_oracle.sh
index 6bdafcf5..f0ae33bb 100755
--- a/plugins-scripts/check_oracle.sh
+++ b/plugins-scripts/check_oracle.sh
@@ -205,6 +205,7 @@ case "$cmd" in
     fi
     result=`sqlplus -s ${2}/${3}@${4} << EOF
       set pagesize 0
+      set numf '9999999.99'
      
 select (1-(pr.value/(dbg.value+cg.value)))*100 \
 from v\\$sysstat pr, v\\$sysstat dbg, v\\$sysstat cg \
@@ -219,9 +220,10 @@ EOF`
       exit $STATE_CRITICAL
     fi
 
-    buf_hr=`echo $result | awk '{print int($1)}'` 
+    buf_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'` 
     result=`sqlplus -s ${2}/${3}@${4} << EOF
       set pagesize 0
+      set numf '9999999.99'
 
 select sum(lc.pins)/(sum(lc.pins)+sum(lc.reloads))*100 \
 from v\\$librarycache lc;
@@ -233,7 +235,7 @@ EOF`
       exit $STATE_CRITICAL
     fi
 
-    lib_hr=`echo $result | awk '{print int($1)}'`
+    lib_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'`
 
     if [ $buf_hr -le ${5} -o $lib_hr -le ${5} ] ; then
   	echo "${3} : ${4} CRITICAL - Cache Hit Rates: $lib_hr % Lib -- $buf_hr % Buff"
@@ -254,6 +256,7 @@ EOF`
     fi
     result=`sqlplus -s ${2}/${3}@${4} << EOF
       set pagesize 0
+      set numf '9999999.99'
      
 select b.free,a.total,100 - trunc(b.free/a.total * 1000) / 10 prc \
 from ( \
@@ -270,14 +273,15 @@ EOF`
       exit $STATE_CRITICAL
     fi
 
-    ts_free=`echo $result | awk '{print int($1)}'` 
-    ts_total=`echo $result | awk '{print int($2)}'` 
-    ts_pct=`echo $result | awk '{print int($3)}'` 
-    if [ $ts_pct -ge ${6} ] ; then
+    ts_free=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($1)}'` 
+    ts_total=`echo "$result" | awk '/^[0-9\.\t ]+$/ {print int($2)}'` 
+    ts_pct=`echo "$result" | awk '/^[0-9\.\t ]+$/ {print int($3)}'` 
+
+    if [ "$ts_pct" -ge ${6} ] ; then
   	echo "${4} : ${5} CRITICAL - $ts_pct% used [ $ts_free / $ts_total MB available ]"
 	exit $STATE_CRITICAL
     fi
-    if [ $ts_pct -ge ${7} ] ; then
+    if [ "$ts_pct" -ge ${7} ] ; then
   	echo "${4} : ${5} WARNING  - $ts_pct% used [ $ts_free / $ts_total MB available ]"
 	exit $STATE_WARNING
     fi