diff --git a/NEWS.md b/NEWS.md
index 10789b0..c988d98 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -4,9 +4,12 @@
 
 ## New features
 
+* `install_micromamba()` now tries to download an uncompressed version of the micromamba binary if `untar()` fails
+  because of missing `bzip2` system library. (#10 and #14)
+
 ## Minor improvements and fixes
 
-* Internal `micromamba` version bump to "2.0.2-1".
+* Internal `micromamba` version bump to "2.0.2-2".
 
 # condathis 0.0.6
 
diff --git a/R/create_env.R b/R/create_env.R
index f2f8bcb..93f2b1f 100644
--- a/R/create_env.R
+++ b/R/create_env.R
@@ -70,7 +70,7 @@ create_env <- function(
   method <- rlang::arg_match(method)
 
   env_file_path <- NULL
-  if (!is.null(env_file)) {
+  if (isFALSE(is.null(env_file))) {
     if (fs::file_exists(env_file)) {
       env_file_path <- fs::path(env_file)
       packages_arg <- c("-f", env_file_path)
diff --git a/R/install_micromamba.R b/R/install_micromamba.R
index e0ac84c..810706a 100644
--- a/R/install_micromamba.R
+++ b/R/install_micromamba.R
@@ -5,7 +5,7 @@
 #' to create and manage conda environments.
 #'
 #' @param micromamba_version Character string specifying the version of Micromamba to download.
-#'   Defaults to `"2.0.2-1"`.
+#'   Defaults to `"2.0.2-2"`.
 #'
 #' @param timeout_limit Numeric value specifying the timeout limit for downloading the Micromamba
 #'   binaries, in seconds. Defaults to `3600` seconds (1 hour).
@@ -106,7 +106,6 @@ install_micromamba <- function(micromamba_version = "2.0.2-2",
     fs::file_delete(full_dl_path)
   }
 
-  # NOTE: @luciorq Attempt to solver #10 and #14
   if (isFALSE(nzchar(Sys.which("bzip2")) && fs::file_exists(umamba_bin_path))) {
     download_url <- paste0(
       base_url, "download/", micromamba_version, "/micromamba-", sys_arch_str
@@ -139,7 +138,7 @@ install_micromamba <- function(micromamba_version = "2.0.2-2",
     cli::cli_abort(
       message = c(
         `x` = "{.file {umamba_bin_path}} was not extracted succesfully.",
-        `!` = "This error can be caused by missing `bzip2` system library."
+        `!` = "This error may be caused by missing `bzip2` system library."
       ),
       class = "condathis_install_error_missing_bzip2"
     )
diff --git a/man/install_micromamba.Rd b/man/install_micromamba.Rd
index 982b11a..5bb04af 100644
--- a/man/install_micromamba.Rd
+++ b/man/install_micromamba.Rd
@@ -13,7 +13,7 @@ install_micromamba(
 }
 \arguments{
 \item{micromamba_version}{Character string specifying the version of Micromamba to download.
-Defaults to \code{"2.0.2-1"}.}
+Defaults to \code{"2.0.2-2"}.}
 
 \item{timeout_limit}{Numeric value specifying the timeout limit for downloading the Micromamba
 binaries, in seconds. Defaults to \code{3600} seconds (1 hour).}