diff --git a/src-self-hosted/stage1.zig b/src-self-hosted/stage1.zig
index 961b95d481177461079ee163dcd1f406167948d8..ffa0754bb5782b357867fb970c37cce72ffafd7d 100644
--- a/src-self-hosted/stage1.zig
+++ b/src-self-hosted/stage1.zig
@@ -92,6 +92,7 @@ const Error = extern enum {
     InvalidCpuFeatures,
     InvalidLlvmCpuFeaturesFormat,
     UnknownApplicationBinaryInterface,
+    ASTUnitFailure,
 };
 
 const FILE = std.c.FILE;
@@ -114,6 +115,7 @@ export fn stage2_translate_c(
             out_errors_len.* = errors.len;
             return Error.CCompileErrors;
         },
+        error.ASTUnitFailure => return Error.ASTUnitFailure,
         error.OutOfMemory => return Error.OutOfMemory,
     };
     return Error.None;
diff --git a/src-self-hosted/translate_c.zig b/src-self-hosted/translate_c.zig
index 0c7b3868e2c9cdb50c5fc1b50962c6a0d8b4198a..cd8d0b9d630280ba3647bdf08e37567b1412fb56 100644
--- a/src-self-hosted/translate_c.zig
+++ b/src-self-hosted/translate_c.zig
@@ -264,7 +264,7 @@ pub fn translate(
         &errors.len,
         resources_path,
     ) orelse {
-        if (errors.len == 0) return error.OutOfMemory;
+        if (errors.len == 0) return error.ASTUnitFailure;
         return error.SemanticAnalyzeFail;
     };
     defer ZigClangASTUnit_delete(ast_unit);
diff --git a/src/error.cpp b/src/error.cpp
index 5bf1667db9c99b0a5e73cbcc9c7f25dad115a30e..08575d15ecc738798817c94ec26a221bc1cf7dd5 100644
--- a/src/error.cpp
+++ b/src/error.cpp
@@ -64,6 +64,7 @@ const char *err_str(Error err) {
         case ErrorInvalidCpuFeatures: return "invalid CPU features";
         case ErrorInvalidLlvmCpuFeaturesFormat: return "invalid LLVM CPU features format";
         case ErrorUnknownApplicationBinaryInterface: return "unknown application binary interface";
+        case ErrorASTUnitFailure: return "ASTUnit failure";
     }
     return "(invalid error)";
 }
diff --git a/src/userland.h b/src/userland.h
index 6b16d2338efb1796ca967e0aabce8ce4b7754a86..a59f6b7da81cf40a7027141feb5817849e846d38 100644
--- a/src/userland.h
+++ b/src/userland.h
@@ -84,6 +84,7 @@ enum Error {
     ErrorInvalidCpuFeatures,
     ErrorInvalidLlvmCpuFeaturesFormat,
     ErrorUnknownApplicationBinaryInterface,
+    ErrorASTUnitFailure,
 };
 
 // ABI warning