diff --git a/config.yaml b/config.yaml
index 2b2c48e..419c373 100644
--- a/config.yaml
+++ b/config.yaml
@@ -14,8 +14,18 @@ actions:
               %endif
         count: 1
       - target: "spec"
-        find: "%global debug_arches    %{ix86} x86_64 sparcv9 sparc64 %{aarch64} %{power64} s390x"
-        replace: "%global debug_arches    %{ix86} x86_64 sparcv9 sparc64 %{aarch64} %{power64} s390x riscv64"
+        find: |
+            # $ fedpkg mockbuild --without slowdebug --without fastdebug
+            
+            # Enable fastdebug builds by default on relevant arches.
+        replace: |
+            # $ fedpkg mockbuild --without slowdebug --without fastdebug
+            
+            %ifarch riscv64
+            %define  debug_package %{nil}
+            %endif
+            
+            # Enable fastdebug builds by default on relevant arches.
         count: 1
 
   - modify_release:
@@ -27,4 +37,4 @@ actions:
         email: "alukoshko@almalinux.org"
         line:
           - "Use el8 portable packages, el10 for riscv64"
-          - "Add riscv64 to debug_arches"
+          - "Disable debug_package for riscv64"