diff --git a/com.arm.cmsis.pack.installer/src/com/arm/cmsis/pack/installer/CpPackInstaller.java b/com.arm.cmsis.pack.installer/src/com/arm/cmsis/pack/installer/CpPackInstaller.java
index d740252..46d728b 100644
--- a/com.arm.cmsis.pack.installer/src/com/arm/cmsis/pack/installer/CpPackInstaller.java
+++ b/com.arm.cmsis.pack.installer/src/com/arm/cmsis/pack/installer/CpPackInstaller.java
@@ -730,7 +730,7 @@ protected void aggregateCmsis(List<String[]> list) {
 			}
 
 			// Make url always ends in '/'
-			final String pdscUrl = CmsisConstants.REPO_KEIL_PACK_SERVER;
+			final String pdscUrl = Utils.addTrailingSlash(pdsc[0]);
 			final String pdscName = pdsc[1];
 			final String pdscVersion = pdsc[2];
 			final String packFamilyId = Utils.extractBaseFileName(pdscName);