diff --git a/icu4c/source/common/ubidi.c b/icu4c/source/common/ubidi.c
index 2a3dee5587..52d2e9626e 100644
--- a/icu4c/source/common/ubidi.c
+++ b/icu4c/source/common/ubidi.c
@@ -243,6 +243,9 @@ ubidi_close(UBiDi *pBiDi) {
         if(pBiDi->levelsMemory!=NULL) {
             uprv_free(pBiDi->levelsMemory);
         }
+        if(pBiDi->parasMemory!=NULL) {
+            uprv_free(pBiDi->parasMemory);
+        }
         if(pBiDi->runsMemory!=NULL) {
             uprv_free(pBiDi->runsMemory);
         }