diff --git a/qgis.spec b/qgis.spec
index e0b9d23..fdda859 100644
--- a/qgis.spec
+++ b/qgis.spec
@@ -223,7 +223,7 @@ gzip ChangeLog
       -D WITH_BINDINGS:BOOL=TRUE \
       -D WITH_GRASS:BOOL=TRUE \
       -D WITH_GRASS7:BOOL=TRUE \
-      -D GRASS_PREFIX=%{_libdir}/grass \
+      -D GRASS_PREFIX=%{_libdir}/grass-7.4.0 \
       -D WITH_CUSTOM_WIDGETS:BOOL=TRUE \
       -D BINDINGS_GLOBAL_INSTALL:BOOL=TRUE \
       -D ENABLE_TESTS:BOOL=FALSE \