diff --git a/src/widgets.zsh b/src/widgets.zsh
index 40e954b..1537b8a 100644
--- a/src/widgets.zsh
+++ b/src/widgets.zsh
@@ -19,7 +19,7 @@ _zsh_autosuggest_modify() {
 	# Get a new suggestion if the buffer is not empty after modification
 	local suggestion
 	if [ $#BUFFER -gt 0 ]; then
-		suggestion=$(_zsh_autosuggest_suggestion $BUFFER)
+		suggestion=$(_zsh_autosuggest_suggestion "$BUFFER")
 	fi
 
 	# Add the suggestion to the POSTDISPLAY
diff --git a/zsh-autosuggestions.zsh b/zsh-autosuggestions.zsh
index b4c7f67..5ae7433 100644
--- a/zsh-autosuggestions.zsh
+++ b/zsh-autosuggestions.zsh
@@ -219,7 +219,7 @@ _zsh_autosuggest_modify() {
 	# Get a new suggestion if the buffer is not empty after modification
 	local suggestion
 	if [ $#BUFFER -gt 0 ]; then
-		suggestion=$(_zsh_autosuggest_suggestion $BUFFER)
+		suggestion=$(_zsh_autosuggest_suggestion "$BUFFER")
 	fi
 
 	# Add the suggestion to the POSTDISPLAY