diff --git a/shaderc.changes b/shaderc.changes
index 9a7724c..8a87157 100644
--- a/shaderc.changes
+++ b/shaderc.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Nov  2 18:07:38 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Adjust for glslang-nonstd-devel switching paths
+
 -------------------------------------------------------------------
 Fri Oct 20 12:10:45 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/shaderc.spec b/shaderc.spec
index 4166714..3992972 100644
--- a/shaderc.spec
+++ b/shaderc.spec
@@ -70,6 +70,7 @@ chmod a+x utils/update_build_version.sh
 echo "\"%version\"" >glslc/src/build-version.inc
 
 %build
+export CPPFLAGS="-I%_includedir/External"
 %cmake -DSHADERC_SKIP_TESTS=ON
 %cmake_build