diff --git a/.gear/vitastor.spec b/.gear/vitastor.spec
index df1d89f2..fc065e7b 100644
--- a/.gear/vitastor.spec
+++ b/.gear/vitastor.spec
@@ -104,7 +104,7 @@ tar -xf %SOURCE2 -C cpp-btree
 tar -xf %SOURCE3 -C json11
 
 %build
-%cmake
+%cmake -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON
 %cmake_build
 
 %install