diff --git a/configure.ac b/configure.ac
index 6146412e74..0d8e0fd8e7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1522,7 +1522,7 @@ if test X"$OPT_BROTLI" != Xno; then
         AC_MSG_NOTICE([Added $DIR_BROTLI to CURL_LIBRARY_PATH])
       fi
     fi
-    LIBCURL_PC_REQUIRES_PRIVATE="$LIBCURL_PC_REQUIRES_PRIVATE libbrotlidec"
+    LIBCURL_PC_REQUIRES_PRIVATE="$LIBCURL_PC_REQUIRES_PRIVATE libbrotlidec libbrotlicommon"
   else
     dnl no brotli, revert back to clean variables
     LDFLAGS=$CLEANLDFLAGS