diff --git a/packages/primeng/src/dialog/style/dialogstyle.ts b/packages/primeng/src/dialog/style/dialogstyle.ts
index b263de6620a..1670fb0b6a5 100644
--- a/packages/primeng/src/dialog/style/dialogstyle.ts
+++ b/packages/primeng/src/dialog/style/dialogstyle.ts
@@ -18,6 +18,7 @@ const theme = ({ dt }) => `
 .p-dialog-content {
     overflow-y: auto;
     padding: ${dt('dialog.content.padding')};
+    flex-grow: 1;
 }
 
 .p-dialog-header {