diff --git a/vulkan-validation-layers.spec b/vulkan-validation-layers.spec
index 815ae53..93f750c 100644
--- a/vulkan-validation-layers.spec
+++ b/vulkan-validation-layers.spec
@@ -47,7 +47,7 @@ developing applications that use %{name}.
 
 %cmake3 -GNinja \
         -DCMAKE_BUILD_TYPE=Release \
-        -DGLSLANG_INSTALL_DIR=%{_bindir} \
+        -DGLSLANG_INSTALL_DIR=%{_prefix} \
         -DBUILD_LAYER_SUPPORT_FILES:BOOL=ON \
         -DCMAKE_INSTALL_INCLUDEDIR=%{_includedir}/vulkan/ .
 %ninja_build