diff --git a/ncurses.spec b/ncurses.spec
index cc30d36..97da19d 100644
--- a/ncurses.spec
+++ b/ncurses.spec
@@ -1062,7 +1062,7 @@ includedir5=%{_incdir}/ncurses5' "$pc"
 %check
 LD_LIBRARY_PATH=%{buildroot}/%{_lib}:%{buildroot}%{_libdir}
 export LD_LIBRARY_PATH
-nm -D %{buildroot}/%{_lib}/libncursesw.so.%{basevers} | grep -q _in_wch
+nm -D %{buildroot}/%{_lib}/libncursesw.so.%{basevers} | grep -q in_wch
 %if %{with onlytinfo}
 nm -D %{buildroot}/%{_lib}/libtinfo.so.%{basevers} | grep -q _nc_read_entry2
 %endif