diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index a52dff8..83fc61f 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -5,7 +5,7 @@ on:
   push:
   pull_request:
     branches:
-      - fri-1.15
+      - fri-1.11
   schedule:
     - cron: "0 0 1 * *" # monthly
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f9e7467..7f8914f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,8 +49,8 @@ set(FRICLIENT_VERSION_MAJOR ${CMAKE_MATCH_1})
 set(FRICLIENT_VERSION_MINOR ${CMAKE_MATCH_2})
 set(FRICLIENT_VERSION ${FRICLIENT_VERSION_MAJOR}.${FRICLIENT_VERSION_MINOR})
 
-if (NOT FRICLIENT_VERSION STREQUAL "1.15")
-    message(FATAL_ERROR "Expected FRIClient ersion 1.15, found: " ${FRICLIENT_VERSION})
+if (NOT FRICLIENT_VERSION STREQUAL "1.11")
+    message(FATAL_ERROR "Expected FRIClient ersion 1.11, found: " ${FRICLIENT_VERSION})
 endif()
 
 message("Found FRIClient of version: " ${FRICLIENT_VERSION})