diff --git a/bin/versions_check b/bin/versions_check
index eba2e64..a7c8ad4 100755
--- a/bin/versions_check
+++ b/bin/versions_check
@@ -130,9 +130,9 @@ function archive
     prog_out=$(${program} --version)
 
     # Extract version from program's output
-    current_version=$(lastversion format "${prog_out} | head -1 )" 2>/dev/null)
+    current_version=$(lastversion format "$(echo ${prog_out} | head -1)" 2>/dev/null)
     if [ -e ${current_version} ]; then
-      current_version=$(lastversion format "${prog_out} | grep -o "version=[0-9.]\+")")
+      current_version=$(lastversion format "$(echo ${prog_out} | grep -o 'version=[0-9.]\+')")
     fi
 
     # Highlight program's version