diff --git a/internal/agent/tools/tools.go b/internal/agent/tools/tools.go
index 90840ccfdadf392d1e1a18dfd0d6acad02851227..d35b117581f7fc35af3e4c52d40fc13e8a15d704 100644
--- a/internal/agent/tools/tools.go
+++ b/internal/agent/tools/tools.go
@@ -61,7 +61,7 @@ func GetModelNameFromContext(ctx context.Context) string {
 // markdown description when CRUSH_SHORT_TOOL_DESCRIPTIONS is set, significantly
 // reducing token usage. Otherwise returns the full description.
 func FirstLineDescription(content []byte) string {
-	if os.Getenv("CRUSH_SHORT_TOOL_DESCRIPTIONS") == "" {
+	if v, _ := strconv.ParseBool(os.Getenv("CRUSH_SHORT_TOOL_DESCRIPTIONS")); !v {
 		return strings.TrimSpace(string(content))
 	}
 	for line := range strings.SplitSeq(string(content), "\n") {