diff --git a/src/proc.sh b/src/proc.sh
index d740d76..86aec57 100644
--- a/src/proc.sh
+++ b/src/proc.sh
@@ -27,7 +27,7 @@ if [[ "$KVM" != [Nn]* ]]; then
     if [[ "$OSTYPE" =~ ^darwin ]]; then
       warn "you are using MacOS which has no KVM support, this will cause a major loss of performance."
     else
-      if [[ $(grep -i Microsoft /proc/version) ]]; then
+      if [[ $(grep -qi Microsoft /proc/version) ]]; then
         warn "you are using Windows 10 which has no KVM support, this will cause a major loss of performance."
       else
         error "KVM acceleration not available $KVM_ERR, this will cause a major loss of performance."