diff --git a/opa-fmgui.spec b/opa-fmgui.spec
index 80d066d..c41fb32 100644
--- a/opa-fmgui.spec
+++ b/opa-fmgui.spec
@@ -73,8 +73,7 @@ script fmgui.
 %patch5 -p1
 
 %build
-find / -name gradle-3.5-bin.zip 2>/dev/null
-(cd %{_tmppath}; unzip $(find / -name gradle-3.5-bin.zip 2>/dev/null))
+(cd %{_tmppath}; unzip $RPM_SOURCE_DIR/gradle-3.5-bin.zip)
 GRADLE_LIB_DIR=$RPM_SOURCE_DIR
 export GRADLE_LIB_DIR
 %{_tmppath}/gradle-3.5/bin/gradle copyDeps build --info