diff --git a/install/PackageConfig.cmake.in b/install/PackageConfig.cmake.in
index 56524a8d9..670f5385a 100644
--- a/install/PackageConfig.cmake.in
+++ b/install/PackageConfig.cmake.in
@@ -41,8 +41,11 @@ if(NOT TARGET __zenohc_static)
     )
 endif()
 
-if(@BUILD_SHARED_LIBS@)
-    add_library(zenohc::lib ALIAS __zenohc_shared)
-else()
-    add_library(zenohc::lib ALIAS __zenohc_static)
+if(NOT TARGET zenohc::lib)
+    if(@BUILD_SHARED_LIBS@)
+        add_library(zenohc::lib ALIAS __zenohc_shared)
+    else()
+        add_library(zenohc::lib ALIAS __zenohc_static)
+    endif()
 endif()
+