diff --git a/Tests/AppKit/CPTextFieldTest.j b/Tests/AppKit/CPTextFieldTest.j
index bca749b45..5754fed59 100644
--- a/Tests/AppKit/CPTextFieldTest.j
+++ b/Tests/AppKit/CPTextFieldTest.j
@@ -29,6 +29,7 @@
 
     [numberFormatter setNumberStyle:CPNumberFormatterDecimalStyle];
     [numberFormatter setMaximumFractionDigits:3];
+	[numberFormatter setGeneratesDecimalNumbers:NO];
 
     [control setFormatter:numberFormatter];
     [control setStringValue:@"12.3456"];
diff --git a/Tests/Foundation/CPNumberFormatterTest.j b/Tests/Foundation/CPNumberFormatterTest.j
index 81d994824..14ca5e800 100644
--- a/Tests/Foundation/CPNumberFormatterTest.j
+++ b/Tests/Foundation/CPNumberFormatterTest.j
@@ -62,6 +62,7 @@
 
     [numberFormatter setMinimum:10];
     [numberFormatter setMaximum:20];
+	[numberFormatter setGeneratesDecimalNumbers:NO];
 
     [self assertTrue:[numberFormatter getObjectValue:objectValueRef forString:@"10" errorDescription:nil]
              message:@"MinMax T1: Expected True."];