diff --git a/var/spack/repos/builtin/packages/netlib-scalapack/package.py b/var/spack/repos/builtin/packages/netlib-scalapack/package.py
index db423fc567..95f164ef49 100644
--- a/var/spack/repos/builtin/packages/netlib-scalapack/package.py
+++ b/var/spack/repos/builtin/packages/netlib-scalapack/package.py
@@ -89,7 +89,12 @@ def cmake_args(self):
         # Work around errors of the form:
         #   error: implicit declaration of function 'BI_smvcopy' is
         #   invalid in C99 [-Werror,-Wimplicit-function-declaration]
-        if spec.satisfies("%clang") or spec.satisfies("%apple-clang") or spec.satisfies("%oneapi"):
+        if (
+            spec.satisfies("%clang")
+            or spec.satisfies("%apple-clang")
+            or spec.satisfies("%oneapi")
+            or spec.satisfies("%arm")
+        ):
             c_flags.append("-Wno-error=implicit-function-declaration")
 
         options.append(self.define("CMAKE_C_FLAGS", " ".join(c_flags)))