diff --git a/idg-api/CMakeLists.txt b/idg-api/CMakeLists.txt
index 16babb07..6d7f6ac4 100644
--- a/idg-api/CMakeLists.txt
+++ b/idg-api/CMakeLists.txt
@@ -72,7 +72,14 @@ if (BUILD_WITH_MKL AND (${MKL_FOUND}))
 else()
     # Fallback to LAPACK libraries
     # Use LAPACK headers
-    find_package(LAPACK REQUIRED)
+    # One could try to also use underlying BLAS explicitly, to be
+    # safe. Usually, LAPACK is included in the same lib anyway, though.
+    if(DEFINED ENV{LAPACK_LIBS})
+      set(LAPACK_FOUND YES)
+      set(LAPACK_LIBRARIES $ENV{LAPACK_LIBS})
+    else()
+      find_package (LAPACK REQUIRED)
+    endif()
 
     set (${PROJECT_NAME}_link_libraries
         ${IDG_LIBRARY}