diff --git a/BUILD.md b/BUILD.md
index 022a6727..32ae71df 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -49,6 +49,10 @@ qmake ../JDSP4Linux.pro
 make -j4
 ```
 
+> [!IMPORTANT]  
+>
+> On some distros like Ubuntu, `qmake6` instead of `qmake` should be used.
+
 Execute compiled binary
 
 ```bash