diff --git a/regression-tests/test-results/version b/regression-tests/test-results/version
index 83f6b9882..905d9120c 100644
--- a/regression-tests/test-results/version
+++ b/regression-tests/test-results/version
@@ -1,5 +1,5 @@
 
-cppfront compiler v0.3.0   Build 8C17:1632
+cppfront compiler v0.3.0   Build 8C18:0609
 Copyright(c) Herb Sutter   All rights reserved
 
 SPDX-License-Identifier: CC-BY-NC-ND-4.0
diff --git a/source/build.info b/source/build.info
index 9e75a0fb3..474b47ca4 100644
--- a/source/build.info
+++ b/source/build.info
@@ -1 +1 @@
-"8C17:1632"
\ No newline at end of file
+"8C18:0609"
\ No newline at end of file
diff --git a/source/lex.h b/source/lex.h
index 5e8605d27..b320ae390 100644
--- a/source/lex.h
+++ b/source/lex.h
@@ -427,11 +427,16 @@ auto expand_string_literal(
 
             //  Then put interpolated chunk into ret
             auto chunk = std::string{text.substr(open, pos - open)};
-            { // unescape chunk string
-                auto last_it = std::remove_if(std::begin(chunk), std::end(chunk), [escape = false](const auto& e) mutable {
-                    escape = !escape && e == '\\';
-                    return escape;
-                });
+            {   // unescape chunk string
+                auto last_it = std::remove_if(
+                    std::begin(chunk),
+                    std::end(chunk),
+                    [escape = false, prev = ' '](const auto& e) mutable {
+                        escape = !escape && prev != '\'' && e == '\\';
+                        prev = e;
+                        return escape;
+                    }
+                );
                 chunk.erase(last_it, std::end(chunk));
             }