diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index 591f108..43460ab 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -3068,7 +3068,7 @@
     </component>
 
     <!-- CMSIS-DSP component -->
-    <component Cclass="CMSIS" Cgroup="DSP" Cvariant="Library" Cversion="1.5.5" condition="CMSIS DSP">
+    <component Cclass="CMSIS" Cgroup="DSP" Cvariant="Library" Cversion="1.5.5" isDefaultVariant="true" condition="CMSIS DSP">
       <description>CMSIS-DSP Library for Cortex-M, SC000, and SC300</description>
       <files>
         <!-- CPU independent -->