diff --git a/src/cached.cpp b/src/cached.cpp
index 37eac6924..02cb1ae96 100644
--- a/src/cached.cpp
+++ b/src/cached.cpp
@@ -246,9 +246,6 @@ gb_internal bool try_cached_build(Checker *c, Array<String> const &args) {
 			if (string_starts_with(str, str_lit("CURR_DATE_TIME="))) {
 				continue;
 			}
-			if (string_starts_with(str, str_lit("PROMPT="))) {
-				continue;
-			}
 			array_add(&envs, str);
 		}
 	#else
@@ -258,6 +255,9 @@ gb_internal bool try_cached_build(Checker *c, Array<String> const &args) {
 			if (string_starts_with(str, str_lit("PROMPT="))) {
 				continue;
 			}
+			if (string_starts_with(str, str_lit("RPROMPT="))) {
+				continue;
+			}
 			array_add(&envs, str);
 		}
 	#endif