diff --git a/c_check b/c_check
index 030f5e632..999f5a7a7 100644
--- a/c_check
+++ b/c_check
@@ -84,6 +84,7 @@ $os = Haiku           if ($data =~ /OS_HAIKU/);
 
 $architecture = x86          if ($data =~ /ARCH_X86/);
 $architecture = x86_64       if ($data =~ /ARCH_X86_64/);
+$architecture = e2k          if ($data =~ /ARCH_E2K/);
 $architecture = power        if ($data =~ /ARCH_POWER/);
 $architecture = mips         if ($data =~ /ARCH_MIPS/);
 $architecture = mips64       if ($data =~ /ARCH_MIPS64/);
@@ -124,6 +125,11 @@ if ($architecture eq "zarch") {
     $binary = 64;
 }
 
+if ($architecture eq "e2k") {
+    $defined = 1;
+    $binary = 64;
+}
+
 if ($architecture eq "alpha") {
     $defined = 1;
     $binary = 64;
@@ -223,6 +229,7 @@ if (($architecture eq "mips") || ($architecture eq "mips64")) {
 
 $architecture = x86          if ($data =~ /ARCH_X86/);
 $architecture = x86_64       if ($data =~ /ARCH_X86_64/);
+$architecture = e2k          if ($data =~ /ARCH_E2K/);
 $architecture = power        if ($data =~ /ARCH_POWER/);
 $architecture = mips         if ($data =~ /ARCH_MIPS/);
 $architecture = mips64       if ($data =~ /ARCH_MIPS64/);
diff --git a/ctest.c b/ctest.c
index 2afd93f68..fc52b43a6 100644
--- a/ctest.c
+++ b/ctest.c
@@ -165,3 +165,7 @@ ARCH_LOONGARCH64
 HAVE_C11
 #endif
 
+#if defined(__e2k__)
+ARCH_E2K
+#endif
+