diff --git a/include/os_detector b/include/os_detector
index 3d0cc2ee..67606660 100644
--- a/include/os_detector
+++ b/include/os_detector
@@ -109,7 +109,11 @@ bsd_get_iso8601_timestamp() {
 }
 
 gnu_convert_date_to_timestamp() {
-  date -d "$1" +%s
+  if [ "$OSTYPE" == "linux-musl" ]; then
+    date -D "%Y-%m-%dT%H:%M:%SZ" -d "$1" +%s
+  else
+    date -d "$1" +%s
+  fi
 }
 
 bsd_convert_date_to_timestamp() {