diff --git a/cast/js/src/main/java/com/ibm/wala/cast/js/html/DomLessSourceExtractor.java b/cast/js/src/main/java/com/ibm/wala/cast/js/html/DomLessSourceExtractor.java
index 2e2587c647..fcb3fe3a07 100644
--- a/cast/js/src/main/java/com/ibm/wala/cast/js/html/DomLessSourceExtractor.java
+++ b/cast/js/src/main/java/com/ibm/wala/cast/js/html/DomLessSourceExtractor.java
@@ -199,11 +199,11 @@ protected static Pair<String, Character> quotify(String value) {
         quote = '"';
       } else {
         quote = '"';
-        value = value.replaceAll("\"", "\\\"");
+        value = value.replaceAll("\"", "\\\\\"");
       }
 
       if (value.indexOf('\n') >= 0) {
-        value = value.replaceAll("\n", "\\n");
+        value = value.replaceAll("\n", "\\\\n");
       }
 
       return Pair.make(value, quote);
diff --git a/core/src/main/java/com/ibm/wala/types/generics/MethodTypeSignature.java b/core/src/main/java/com/ibm/wala/types/generics/MethodTypeSignature.java
index f47f89689f..ce8bd1b4b7 100644
--- a/core/src/main/java/com/ibm/wala/types/generics/MethodTypeSignature.java
+++ b/core/src/main/java/com/ibm/wala/types/generics/MethodTypeSignature.java
@@ -43,7 +43,7 @@ public static MethodTypeSignature make(String genericsSignature) throws IllegalA
    * @return null if no arguments
    */
   public TypeSignature[] getArguments() {
-    String typeSig = rawString().replaceAll(".*\\(", "\\(").replaceAll("\\).*", "\\)");
+    String typeSig = rawString().replaceAll(".*\\(", "(").replaceAll("\\).*", ")");
     String[] args = TypeSignature.parseForTypeSignatures(typeSig);
     if (args == null) {
       return null;
diff --git a/core/src/test/java/com/ibm/wala/types/generics/MethodTypeSignatureTest.java b/core/src/test/java/com/ibm/wala/types/generics/MethodTypeSignatureTest.java
new file mode 100644
index 0000000000..6830779794
--- /dev/null
+++ b/core/src/test/java/com/ibm/wala/types/generics/MethodTypeSignatureTest.java
@@ -0,0 +1,19 @@
+package com.ibm.wala.types.generics;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.arrayContaining;
+import static org.hamcrest.Matchers.is;
+
+import org.junit.jupiter.api.Test;
+
+/** Unit tests for {@link MethodTypeSignature}. */
+class MethodTypeSignatureTest {
+
+  /** Unit test for {@link MethodTypeSignature#getArguments()}. */
+  @Test
+  void getArguments() {
+    assertThat(
+        MethodTypeSignature.make("(I)V").getArguments(),
+        arrayContaining(is(TypeSignature.make("I"))));
+  }
+}