diff --git a/tests/cefclient/resources/mac/Info.plist b/tests/cefclient/resources/mac/Info.plist
index 47a831f58..3730aeb48 100644
--- a/tests/cefclient/resources/mac/Info.plist
+++ b/tests/cefclient/resources/mac/Info.plist
@@ -22,6 +22,11 @@
 	<string>????</string>
 	<key>CFBundleVersion</key>
 	<string>1.0</string>
+	<key>LSEnvironment</key>
+	<dict>
+		<key>MallocNanoZone</key>
+		<string>0</string>
+	</dict>
 	<key>LSMinimumSystemVersion</key>
 	<string>10.9.0</string>
 	<key>NSMainNibFile</key>
diff --git a/tests/cefclient/resources/mac/helper-Info.plist b/tests/cefclient/resources/mac/helper-Info.plist
index 5b5be8177..21c6280ac 100644
--- a/tests/cefclient/resources/mac/helper-Info.plist
+++ b/tests/cefclient/resources/mac/helper-Info.plist
@@ -20,6 +20,11 @@
 	<string>1.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
+	<key>LSEnvironment</key>
+	<dict>
+		<key>MallocNanoZone</key>
+		<string>0</string>
+	</dict>
 	<key>LSFileQuarantineEnabled</key>
 	<true/>
 	<key>LSMinimumSystemVersion</key>
diff --git a/tests/cefsimple/mac/Info.plist b/tests/cefsimple/mac/Info.plist
index 8b0123651..102c9b5e8 100644
--- a/tests/cefsimple/mac/Info.plist
+++ b/tests/cefsimple/mac/Info.plist
@@ -20,6 +20,11 @@
 	<string>????</string>
 	<key>CFBundleVersion</key>
 	<string>1.0</string>
+	<key>LSEnvironment</key>
+	<dict>
+		<key>MallocNanoZone</key>
+		<string>0</string>
+	</dict>
 	<key>LSMinimumSystemVersion</key>
 	<string>10.9.0</string>
 	<key>NSMainNibFile</key>
diff --git a/tests/cefsimple/mac/helper-Info.plist b/tests/cefsimple/mac/helper-Info.plist
index 4696e6a58..e2d512fa1 100644
--- a/tests/cefsimple/mac/helper-Info.plist
+++ b/tests/cefsimple/mac/helper-Info.plist
@@ -18,6 +18,11 @@
 	<string>APPL</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
+	<key>LSEnvironment</key>
+	<dict>
+		<key>MallocNanoZone</key>
+		<string>0</string>
+	</dict>
 	<key>LSFileQuarantineEnabled</key>
 	<true/>
 	<key>LSMinimumSystemVersion</key>
diff --git a/tests/ceftests/resources/mac/Info.plist b/tests/ceftests/resources/mac/Info.plist
index ad1297110..18c373bcf 100644
--- a/tests/ceftests/resources/mac/Info.plist
+++ b/tests/ceftests/resources/mac/Info.plist
@@ -20,6 +20,11 @@
 	<string>????</string>
 	<key>CFBundleVersion</key>
 	<string>1.0</string>
+	<key>LSEnvironment</key>
+	<dict>
+		<key>MallocNanoZone</key>
+		<string>0</string>
+	</dict>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
diff --git a/tests/ceftests/resources/mac/helper-Info.plist b/tests/ceftests/resources/mac/helper-Info.plist
index a2f80cbd1..55fb3ce67 100644
--- a/tests/ceftests/resources/mac/helper-Info.plist
+++ b/tests/ceftests/resources/mac/helper-Info.plist
@@ -18,6 +18,11 @@
 	<string>APPL</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
+	<key>LSEnvironment</key>
+	<dict>
+		<key>MallocNanoZone</key>
+		<string>0</string>
+	</dict>
 	<key>LSFileQuarantineEnabled</key>
 	<true/>
 	<key>LSMinimumSystemVersion</key>