diff --git a/src/if_cscope.c b/src/if_cscope.c
index 9466c34..4bf28ad 100644
--- a/src/if_cscope.c
+++ b/src/if_cscope.c
@@ -702,7 +702,7 @@
 	 * Accept "\S*cscope: X lines", also matches "mlcscope".
 	 * Bail out for the "Unable to search" error.
 	 */
-	if (strstr((const char *)stok, "Unable to search database") != NULL)
+	if (strstr((const char *)buf, "Unable to search database") != NULL)
 	    break;
 	if ((stok = strtok(buf, (const char *)" ")) == NULL)
 	    continue;